{"id":1236,"date":"2026-01-29T17:45:58","date_gmt":"2026-01-29T14:15:58","guid":{"rendered":"https:\/\/mathsymbol.ir\/?page_id=1236"},"modified":"2026-06-13T22:44:24","modified_gmt":"2026-06-13T19:14:24","slug":"%d9%81%d8%b5%d9%842","status":"publish","type":"page","link":"https:\/\/mathsymbol.ir\/?page_id=1236","title":{"rendered":"\u0641\u0635\u06442"},"content":{"rendered":"\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\r\n\r\n\r\n\r\n\r\n\u0641\u0635\u0644 \u06f2 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 - \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc<\/title>\r\n<style>\r\n\/* =====================================================\r\n MATH9-CH2 WIDGET - Scoped to #math9ch2-widget\r\n No global background. Glassmorphism cards only.\r\n ===================================================== *\/\r\n:root {\r\n --m9-primary: #4f6ef7;\r\n --m9-secondary: #7c3aed;\r\n --m9-accent: #06b6d4;\r\n --m9-success: #10b981;\r\n --m9-warning: #f59e0b;\r\n --m9-danger: #ef4444;\r\n --m9-glass-bg: rgba(255,255,255,0.15);\r\n --m9-glass-border: rgba(255,255,255,0.3);\r\n --m9-glass-shadow: 0 8px 32px rgba(79,110,247,0.12);\r\n --m9-glass-blur: blur(14px);\r\n --m9-text-dark: #1e293b;\r\n --m9-text-mid: #334155;\r\n --m9-text-light: #64748b;\r\n --m9-radius: 18px;\r\n --m9-radius-sm: 10px;\r\n --m9-font: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;\r\n}\r\n\r\n#math9ch2-widget {\r\n font-family: var(--m9-font);\r\n direction: rtl;\r\n color: var(--m9-text-dark);\r\n background: transparent !important;\r\n padding: 0;\r\n margin: 0;\r\n box-sizing: border-box;\r\n width: 100%;\r\n}\r\n\r\n#math9ch2-widget *, #math9ch2-widget *::before, #math9ch2-widget *::after {\r\n box-sizing: border-box;\r\n margin: 0;\r\n padding: 0;\r\n}\r\n\r\n\/* ---- GLASS CARD ---- *\/\r\n#math9ch2-widget .m9-glass {\r\n background: var(--m9-glass-bg);\r\n backdrop-filter: var(--m9-glass-blur);\r\n -webkit-backdrop-filter: var(--m9-glass-blur);\r\n border: 1.5px solid var(--m9-glass-border);\r\n border-radius: var(--m9-radius);\r\n box-shadow: var(--m9-glass-shadow);\r\n}\r\n\r\n\/* ---- HEADER ---- *\/\r\n#math9ch2-widget .m9-header {\r\n background: linear-gradient(135deg, rgba(79,110,247,0.22) 0%, rgba(124,58,237,0.18) 100%);\r\n backdrop-filter: var(--m9-glass-blur);\r\n -webkit-backdrop-filter: var(--m9-glass-blur);\r\n border: 1.5px solid rgba(79,110,247,0.28);\r\n border-radius: var(--m9-radius);\r\n box-shadow: 0 8px 40px rgba(79,110,247,0.15);\r\n padding: 36px 32px 28px;\r\n text-align: center;\r\n margin-bottom: 24px;\r\n position: relative;\r\n overflow: hidden;\r\n}\r\n\r\n#math9ch2-widget .m9-header::before {\r\n content: '';\r\n position: absolute;\r\n top: -60px; left: -60px;\r\n width: 220px; height: 220px;\r\n background: radial-gradient(circle, rgba(79,110,247,0.18) 0%, transparent 70%);\r\n pointer-events: none;\r\n}\r\n\r\n#math9ch2-widget .m9-header::after {\r\n content: '';\r\n position: absolute;\r\n bottom: -40px; right: -40px;\r\n width: 160px; height: 160px;\r\n background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);\r\n pointer-events: none;\r\n}\r\n\r\n#math9ch2-widget .m9-header-badge {\r\n display: inline-block;\r\n background: rgba(79,110,247,0.18);\r\n border: 1px solid rgba(79,110,247,0.35);\r\n color: var(--m9-primary);\r\n font-size: 12px;\r\n font-weight: 700;\r\n padding: 4px 16px;\r\n border-radius: 50px;\r\n margin-bottom: 14px;\r\n letter-spacing: 0.03em;\r\n}\r\n\r\n#math9ch2-widget .m9-header h1 {\r\n font-size: clamp(22px, 4vw, 34px);\r\n font-weight: 800;\r\n color: var(--m9-text-dark);\r\n line-height: 1.4;\r\n margin-bottom: 8px;\r\n}\r\n\r\n#math9ch2-widget .m9-header p {\r\n color: var(--m9-text-mid);\r\n font-size: 14px;\r\n opacity: 0.85;\r\n}\r\n\r\n\/* ---- PROGRESS CARD ---- *\/\r\n#math9ch2-widget .m9-progress-card {\r\n padding: 24px 28px;\r\n margin-bottom: 24px;\r\n display: flex;\r\n align-items: center;\r\n gap: 24px;\r\n flex-wrap: wrap;\r\n}\r\n\r\n#math9ch2-widget .m9-progress-ring-wrap {\r\n flex-shrink: 0;\r\n position: relative;\r\n width: 80px; height: 80px;\r\n}\r\n\r\n#math9ch2-widget .m9-ring-svg {\r\n transform: rotate(-90deg);\r\n width: 80px; height: 80px;\r\n}\r\n\r\n#math9ch2-widget .m9-ring-bg {\r\n fill: none;\r\n stroke: rgba(79,110,247,0.15);\r\n stroke-width: 8;\r\n}\r\n\r\n#math9ch2-widget .m9-ring-fill {\r\n fill: none;\r\n stroke: var(--m9-primary);\r\n stroke-width: 8;\r\n stroke-linecap: round;\r\n stroke-dasharray: 220;\r\n stroke-dashoffset: 220;\r\n transition: stroke-dashoffset 0.8s cubic-bezier(.4,0,.2,1);\r\n}\r\n\r\n#math9ch2-widget .m9-ring-label {\r\n position: absolute;\r\n top: 50%; left: 50%;\r\n transform: translate(-50%, -50%);\r\n font-size: 15px;\r\n font-weight: 800;\r\n color: var(--m9-primary);\r\n}\r\n\r\n#math9ch2-widget .m9-progress-info {\r\n flex: 1;\r\n min-width: 160px;\r\n}\r\n\r\n#math9ch2-widget .m9-progress-info h3 {\r\n font-size: 16px;\r\n font-weight: 700;\r\n color: var(--m9-text-dark);\r\n margin-bottom: 6px;\r\n}\r\n\r\n#math9ch2-widget .m9-progress-bar-wrap {\r\n background: rgba(79,110,247,0.12);\r\n border-radius: 50px;\r\n height: 10px;\r\n overflow: hidden;\r\n margin-bottom: 8px;\r\n}\r\n\r\n#math9ch2-widget .m9-progress-bar-fill {\r\n height: 100%;\r\n background: linear-gradient(90deg, var(--m9-primary), var(--m9-secondary));\r\n border-radius: 50px;\r\n transition: width 0.8s cubic-bezier(.4,0,.2,1);\r\n width: 0%;\r\n}\r\n\r\n#math9ch2-widget .m9-progress-info p {\r\n font-size: 12px;\r\n color: var(--m9-text-light);\r\n}\r\n\r\n#math9ch2-widget .m9-btn-reset {\r\n background: rgba(239,68,68,0.12);\r\n border: 1.5px solid rgba(239,68,68,0.25);\r\n color: var(--m9-danger);\r\n font-family: var(--m9-font);\r\n font-size: 12px;\r\n font-weight: 600;\r\n padding: 8px 18px;\r\n border-radius: 50px;\r\n cursor: pointer;\r\n transition: all 0.2s;\r\n white-space: nowrap;\r\n}\r\n\r\n#math9ch2-widget .m9-btn-reset:hover {\r\n background: rgba(239,68,68,0.2);\r\n transform: translateY(-1px);\r\n}\r\n\r\n\/* ---- TABS ---- *\/\r\n#math9ch2-widget .m9-tabs-nav {\r\n display: flex;\r\n gap: 8px;\r\n margin-bottom: 20px;\r\n flex-wrap: wrap;\r\n}\r\n\r\n#math9ch2-widget .m9-tab-btn {\r\n background: var(--m9-glass-bg);\r\n border: 1.5px solid var(--m9-glass-border);\r\n color: var(--m9-text-mid);\r\n font-family: var(--m9-font);\r\n font-size: 13px;\r\n font-weight: 600;\r\n padding: 10px 18px;\r\n border-radius: 50px;\r\n cursor: pointer;\r\n transition: all 0.25s;\r\n backdrop-filter: var(--m9-glass-blur);\r\n -webkit-backdrop-filter: var(--m9-glass-blur);\r\n display: flex;\r\n align-items: center;\r\n gap: 6px;\r\n}\r\n\r\n#math9ch2-widget .m9-tab-btn:hover {\r\n background: rgba(79,110,247,0.12);\r\n border-color: rgba(79,110,247,0.35);\r\n color: var(--m9-primary);\r\n transform: translateY(-2px);\r\n}\r\n\r\n#math9ch2-widget .m9-tab-btn.active {\r\n background: linear-gradient(135deg, var(--m9-primary), var(--m9-secondary));\r\n border-color: transparent;\r\n color: #fff;\r\n box-shadow: 0 4px 18px rgba(79,110,247,0.35);\r\n}\r\n\r\n#math9ch2-widget .m9-tab-panel {\r\n display: none;\r\n}\r\n\r\n#math9ch2-widget .m9-tab-panel.active {\r\n display: block;\r\n animation: m9FadeIn 0.3s ease;\r\n}\r\n\r\n@keyframes m9FadeIn {\r\n from { opacity: 0; transform: translateY(8px); }\r\n to { opacity: 1; transform: translateY(0); }\r\n}\r\n\r\n\/* ---- TOPIC CARDS ---- *\/\r\n#math9ch2-widget .m9-topics-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));\r\n gap: 16px;\r\n}\r\n\r\n#math9ch2-widget .m9-topic-card {\r\n background: var(--m9-glass-bg);\r\n backdrop-filter: var(--m9-glass-blur);\r\n -webkit-backdrop-filter: var(--m9-glass-blur);\r\n border: 1.5px solid var(--m9-glass-border);\r\n border-radius: var(--m9-radius);\r\n box-shadow: var(--m9-glass-shadow);\r\n padding: 22px 20px;\r\n transition: all 0.3s cubic-bezier(.4,0,.2,1);\r\n cursor: default;\r\n}\r\n\r\n#math9ch2-widget .m9-topic-card:hover {\r\n transform: translateY(-5px);\r\n box-shadow: 0 16px 48px rgba(79,110,247,0.18);\r\n border-color: rgba(79,110,247,0.4);\r\n background: rgba(255,255,255,0.22);\r\n}\r\n\r\n#math9ch2-widget .m9-topic-header {\r\n display: flex;\r\n align-items: center;\r\n justify-content: space-between;\r\n margin-bottom: 14px;\r\n}\r\n\r\n#math9ch2-widget .m9-topic-icon {\r\n width: 44px; height: 44px;\r\n border-radius: 12px;\r\n display: flex;\r\n align-items: center;\r\n justify-content: center;\r\n font-size: 22px;\r\n flex-shrink: 0;\r\n}\r\n\r\n#math9ch2-widget .m9-topic-check {\r\n display: flex;\r\n align-items: center;\r\n gap: 6px;\r\n font-size: 11px;\r\n color: var(--m9-text-light);\r\n font-weight: 600;\r\n}\r\n\r\n#math9ch2-widget .m9-check-toggle {\r\n width: 22px; height: 22px;\r\n border-radius: 6px;\r\n border: 2px solid rgba(79,110,247,0.35);\r\n background: rgba(255,255,255,0.2);\r\n cursor: pointer;\r\n display: flex;\r\n align-items: center;\r\n justify-content: center;\r\n transition: all 0.2s;\r\n flex-shrink: 0;\r\n}\r\n\r\n#math9ch2-widget .m9-check-toggle.checked {\r\n background: var(--m9-success);\r\n border-color: var(--m9-success);\r\n}\r\n\r\n#math9ch2-widget .m9-check-toggle svg {\r\n display: none;\r\n}\r\n\r\n#math9ch2-widget .m9-check-toggle.checked svg {\r\n display: block;\r\n}\r\n\r\n#math9ch2-widget .m9-topic-title {\r\n font-size: 15px;\r\n font-weight: 700;\r\n color: var(--m9-text-dark);\r\n margin-bottom: 8px;\r\n}\r\n\r\n#math9ch2-widget .m9-topic-desc {\r\n font-size: 12.5px;\r\n color: var(--m9-text-mid);\r\n line-height: 1.7;\r\n margin-bottom: 12px;\r\n}\r\n\r\n#math9ch2-widget .m9-formula-box {\r\n background: rgba(79,110,247,0.08);\r\n border: 1px solid rgba(79,110,247,0.2);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 10px 14px;\r\n font-size: 13px;\r\n font-weight: 600;\r\n color: var(--m9-primary);\r\n text-align: center;\r\n margin-bottom: 10px;\r\n letter-spacing: 0.02em;\r\n font-family: 'Courier New', monospace;\r\n direction: ltr;\r\n}\r\n\r\n#math9ch2-widget .m9-example-box {\r\n background: rgba(6,182,212,0.08);\r\n border: 1px solid rgba(6,182,212,0.22);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 10px 14px;\r\n font-size: 12px;\r\n color: var(--m9-text-mid);\r\n line-height: 1.7;\r\n margin-bottom: 10px;\r\n}\r\n\r\n#math9ch2-widget .m9-example-box strong {\r\n color: #0891b2;\r\n font-size: 11px;\r\n font-weight: 700;\r\n display: block;\r\n margin-bottom: 4px;\r\n}\r\n\r\n#math9ch2-widget .m9-tips {\r\n margin-top: 10px;\r\n}\r\n\r\n#math9ch2-widget .m9-tip {\r\n display: flex;\r\n gap: 7px;\r\n align-items: flex-start;\r\n font-size: 11.5px;\r\n color: var(--m9-text-mid);\r\n margin-bottom: 5px;\r\n line-height: 1.6;\r\n}\r\n\r\n#math9ch2-widget .m9-tip-icon {\r\n color: var(--m9-warning);\r\n font-size: 12px;\r\n flex-shrink: 0;\r\n margin-top: 2px;\r\n}\r\n\r\n\/* ---- ACCORDION ---- *\/\r\n#math9ch2-widget .m9-accordion {\r\n margin-bottom: 12px;\r\n border-radius: var(--m9-radius);\r\n overflow: hidden;\r\n border: 1.5px solid var(--m9-glass-border);\r\n background: var(--m9-glass-bg);\r\n backdrop-filter: var(--m9-glass-blur);\r\n -webkit-backdrop-filter: var(--m9-glass-blur);\r\n box-shadow: var(--m9-glass-shadow);\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-header {\r\n display: flex;\r\n align-items: center;\r\n justify-content: space-between;\r\n padding: 16px 20px;\r\n cursor: pointer;\r\n transition: background 0.2s;\r\n user-select: none;\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-header:hover {\r\n background: rgba(79,110,247,0.06);\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-title {\r\n display: flex;\r\n align-items: center;\r\n gap: 10px;\r\n font-size: 14px;\r\n font-weight: 700;\r\n color: var(--m9-text-dark);\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-arrow {\r\n width: 20px; height: 20px;\r\n color: var(--m9-primary);\r\n transition: transform 0.3s;\r\n flex-shrink: 0;\r\n}\r\n\r\n#math9ch2-widget .m9-accordion.open .m9-accordion-arrow {\r\n transform: rotate(180deg);\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-body {\r\n max-height: 0;\r\n overflow: hidden;\r\n transition: max-height 0.4s cubic-bezier(.4,0,.2,1);\r\n}\r\n\r\n#math9ch2-widget .m9-accordion.open .m9-accordion-body {\r\n max-height: 800px;\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-content {\r\n padding: 4px 20px 20px;\r\n font-size: 13px;\r\n color: var(--m9-text-mid);\r\n line-height: 1.8;\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-content ul {\r\n list-style: none;\r\n padding: 0;\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-content ul li {\r\n padding: 5px 0;\r\n padding-right: 16px;\r\n position: relative;\r\n}\r\n\r\n#math9ch2-widget .m9-accordion-content ul li::before {\r\n content: '\u25c6';\r\n color: var(--m9-primary);\r\n font-size: 7px;\r\n position: absolute;\r\n right: 0;\r\n top: 8px;\r\n}\r\n\r\n\/* ---- CALCULATOR ---- *\/\r\n#math9ch2-widget .m9-calc-card {\r\n padding: 28px;\r\n margin-bottom: 20px;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-title {\r\n font-size: 17px;\r\n font-weight: 700;\r\n color: var(--m9-text-dark);\r\n margin-bottom: 6px;\r\n display: flex;\r\n align-items: center;\r\n gap: 8px;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-subtitle {\r\n font-size: 12px;\r\n color: var(--m9-text-light);\r\n margin-bottom: 20px;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-tabs {\r\n display: flex;\r\n gap: 8px;\r\n margin-bottom: 20px;\r\n flex-wrap: wrap;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-tab {\r\n background: rgba(255,255,255,0.18);\r\n border: 1.5px solid rgba(79,110,247,0.2);\r\n color: var(--m9-text-mid);\r\n font-family: var(--m9-font);\r\n font-size: 12px;\r\n font-weight: 600;\r\n padding: 8px 16px;\r\n border-radius: 50px;\r\n cursor: pointer;\r\n transition: all 0.2s;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-tab.active {\r\n background: var(--m9-primary);\r\n border-color: var(--m9-primary);\r\n color: #fff;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-panel {\r\n display: none;\r\n}\r\n\r\n#math9ch2-widget .m9-calc-panel.active {\r\n display: block;\r\n animation: m9FadeIn 0.25s ease;\r\n}\r\n\r\n#math9ch2-widget .m9-input-group {\r\n display: flex;\r\n gap: 10px;\r\n align-items: center;\r\n margin-bottom: 14px;\r\n flex-wrap: wrap;\r\n}\r\n\r\n#math9ch2-widget .m9-input-label {\r\n font-size: 13px;\r\n font-weight: 600;\r\n color: var(--m9-text-mid);\r\n min-width: 80px;\r\n}\r\n\r\n#math9ch2-widget .m9-input {\r\n background: rgba(255,255,255,0.25);\r\n border: 1.5px solid rgba(79,110,247,0.25);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 9px 14px;\r\n font-family: var(--m9-font);\r\n font-size: 14px;\r\n color: var(--m9-text-dark);\r\n outline: none;\r\n transition: border-color 0.2s;\r\n width: 130px;\r\n text-align: center;\r\n direction: ltr;\r\n}\r\n\r\n#math9ch2-widget .m9-input:focus {\r\n border-color: var(--m9-primary);\r\n background: rgba(255,255,255,0.35);\r\n}\r\n\r\n#math9ch2-widget .m9-input-select {\r\n background: rgba(255,255,255,0.25);\r\n border: 1.5px solid rgba(79,110,247,0.25);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 9px 14px;\r\n font-family: var(--m9-font);\r\n font-size: 14px;\r\n color: var(--m9-text-dark);\r\n outline: none;\r\n cursor: pointer;\r\n}\r\n\r\n#math9ch2-widget .m9-btn-calc {\r\n background: linear-gradient(135deg, var(--m9-primary), var(--m9-secondary));\r\n border: none;\r\n color: #fff;\r\n font-family: var(--m9-font);\r\n font-size: 13px;\r\n font-weight: 700;\r\n padding: 10px 22px;\r\n border-radius: 50px;\r\n cursor: pointer;\r\n transition: all 0.2s;\r\n box-shadow: 0 4px 14px rgba(79,110,247,0.3);\r\n}\r\n\r\n#math9ch2-widget .m9-btn-calc:hover {\r\n transform: translateY(-2px);\r\n box-shadow: 0 6px 20px rgba(79,110,247,0.4);\r\n}\r\n\r\n#math9ch2-widget .m9-result-box {\r\n background: rgba(16,185,129,0.1);\r\n border: 1.5px solid rgba(16,185,129,0.3);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 14px 18px;\r\n font-size: 15px;\r\n font-weight: 700;\r\n color: #059669;\r\n margin-top: 14px;\r\n min-height: 48px;\r\n display: none;\r\n line-height: 1.7;\r\n direction: rtl;\r\n}\r\n\r\n#math9ch2-widget .m9-result-box.show {\r\n display: block;\r\n animation: m9FadeIn 0.3s ease;\r\n}\r\n\r\n\/* ---- QUIZ ---- *\/\r\n#math9ch2-widget .m9-quiz-card {\r\n padding: 28px;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-top {\r\n display: flex;\r\n align-items: center;\r\n justify-content: space-between;\r\n margin-bottom: 20px;\r\n flex-wrap: wrap;\r\n gap: 12px;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-title {\r\n font-size: 17px;\r\n font-weight: 700;\r\n color: var(--m9-text-dark);\r\n display: flex;\r\n align-items: center;\r\n gap: 8px;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-score-badge {\r\n background: rgba(79,110,247,0.12);\r\n border: 1px solid rgba(79,110,247,0.25);\r\n color: var(--m9-primary);\r\n font-size: 13px;\r\n font-weight: 700;\r\n padding: 6px 16px;\r\n border-radius: 50px;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-progress {\r\n background: rgba(79,110,247,0.1);\r\n border-radius: 50px;\r\n height: 8px;\r\n overflow: hidden;\r\n margin-bottom: 24px;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-progress-fill {\r\n height: 100%;\r\n background: linear-gradient(90deg, var(--m9-primary), var(--m9-accent));\r\n border-radius: 50px;\r\n transition: width 0.5s ease;\r\n}\r\n\r\n#math9ch2-widget .m9-question-text {\r\n font-size: 15px;\r\n font-weight: 600;\r\n color: var(--m9-text-dark);\r\n line-height: 1.7;\r\n margin-bottom: 20px;\r\n padding: 16px 18px;\r\n background: rgba(79,110,247,0.06);\r\n border-radius: var(--m9-radius-sm);\r\n border-right: 4px solid var(--m9-primary);\r\n}\r\n\r\n#math9ch2-widget .m9-options {\r\n display: grid;\r\n gap: 10px;\r\n margin-bottom: 18px;\r\n}\r\n\r\n#math9ch2-widget .m9-option {\r\n background: rgba(255,255,255,0.18);\r\n border: 1.5px solid rgba(79,110,247,0.18);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 13px 18px;\r\n font-family: var(--m9-font);\r\n font-size: 13.5px;\r\n font-weight: 500;\r\n color: var(--m9-text-dark);\r\n cursor: pointer;\r\n transition: all 0.2s;\r\n text-align: right;\r\n direction: rtl;\r\n display: flex;\r\n align-items: center;\r\n gap: 10px;\r\n}\r\n\r\n#math9ch2-widget .m9-option:hover:not(:disabled) {\r\n background: rgba(79,110,247,0.1);\r\n border-color: rgba(79,110,247,0.4);\r\n transform: translateX(-3px);\r\n}\r\n\r\n#math9ch2-widget .m9-option.correct {\r\n background: rgba(16,185,129,0.15);\r\n border-color: var(--m9-success);\r\n color: #065f46;\r\n}\r\n\r\n#math9ch2-widget .m9-option.wrong {\r\n background: rgba(239,68,68,0.12);\r\n border-color: var(--m9-danger);\r\n color: #991b1b;\r\n}\r\n\r\n#math9ch2-widget .m9-option:disabled {\r\n cursor: default;\r\n}\r\n\r\n#math9ch2-widget .m9-option-letter {\r\n display: inline-flex;\r\n align-items: center;\r\n justify-content: center;\r\n width: 26px; height: 26px;\r\n border-radius: 50%;\r\n background: rgba(79,110,247,0.12);\r\n color: var(--m9-primary);\r\n font-size: 12px;\r\n font-weight: 700;\r\n flex-shrink: 0;\r\n}\r\n\r\n#math9ch2-widget .m9-option.correct .m9-option-letter {\r\n background: var(--m9-success);\r\n color: #fff;\r\n}\r\n\r\n#math9ch2-widget .m9-option.wrong .m9-option-letter {\r\n background: var(--m9-danger);\r\n color: #fff;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-feedback {\r\n padding: 12px 16px;\r\n border-radius: var(--m9-radius-sm);\r\n font-size: 13px;\r\n font-weight: 600;\r\n margin-bottom: 16px;\r\n display: none;\r\n line-height: 1.7;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-feedback.correct {\r\n display: block;\r\n background: rgba(16,185,129,0.1);\r\n border: 1px solid rgba(16,185,129,0.3);\r\n color: #065f46;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-feedback.wrong {\r\n display: block;\r\n background: rgba(239,68,68,0.1);\r\n border: 1px solid rgba(239,68,68,0.25);\r\n color: #991b1b;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-btns {\r\n display: flex;\r\n gap: 10px;\r\n flex-wrap: wrap;\r\n}\r\n\r\n#math9ch2-widget .m9-btn-next {\r\n background: linear-gradient(135deg, var(--m9-primary), var(--m9-secondary));\r\n border: none;\r\n color: #fff;\r\n font-family: var(--m9-font);\r\n font-size: 13px;\r\n font-weight: 700;\r\n padding: 11px 24px;\r\n border-radius: 50px;\r\n cursor: pointer;\r\n transition: all 0.2s;\r\n box-shadow: 0 4px 14px rgba(79,110,247,0.28);\r\n display: none;\r\n}\r\n\r\n#math9ch2-widget .m9-btn-next.show { display: inline-block; }\r\n\r\n#math9ch2-widget .m9-btn-next:hover {\r\n transform: translateY(-2px);\r\n box-shadow: 0 6px 20px rgba(79,110,247,0.4);\r\n}\r\n\r\n#math9ch2-widget .m9-btn-restart {\r\n background: rgba(79,110,247,0.1);\r\n border: 1.5px solid rgba(79,110,247,0.25);\r\n color: var(--m9-primary);\r\n font-family: var(--m9-font);\r\n font-size: 13px;\r\n font-weight: 700;\r\n padding: 11px 24px;\r\n border-radius: 50px;\r\n cursor: pointer;\r\n transition: all 0.2s;\r\n display: none;\r\n}\r\n\r\n#math9ch2-widget .m9-btn-restart.show { display: inline-block; }\r\n#math9ch2-widget .m9-btn-restart:hover { background: rgba(79,110,247,0.18); }\r\n\r\n#math9ch2-widget .m9-quiz-result {\r\n text-align: center;\r\n padding: 24px;\r\n display: none;\r\n}\r\n\r\n#math9ch2-widget .m9-quiz-result.show { display: block; animation: m9FadeIn 0.3s ease; }\r\n\r\n#math9ch2-widget .m9-result-emoji { font-size: 52px; margin-bottom: 12px; }\r\n#math9ch2-widget .m9-result-score { font-size: 26px; font-weight: 800; color: var(--m9-primary); margin-bottom: 8px; }\r\n#math9ch2-widget .m9-result-msg { font-size: 14px; color: var(--m9-text-mid); margin-bottom: 20px; }\r\n\r\n\/* ---- REVIEW SECTION ---- *\/\r\n#math9ch2-widget .m9-review-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));\r\n gap: 14px;\r\n margin-bottom: 20px;\r\n}\r\n\r\n#math9ch2-widget .m9-review-item {\r\n background: var(--m9-glass-bg);\r\n backdrop-filter: var(--m9-glass-blur);\r\n -webkit-backdrop-filter: var(--m9-glass-blur);\r\n border: 1.5px solid var(--m9-glass-border);\r\n border-radius: var(--m9-radius-sm);\r\n box-shadow: var(--m9-glass-shadow);\r\n padding: 16px;\r\n transition: all 0.25s;\r\n}\r\n\r\n#math9ch2-widget .m9-review-item:hover {\r\n transform: translateY(-3px);\r\n border-color: rgba(79,110,247,0.35);\r\n}\r\n\r\n#math9ch2-widget .m9-review-label {\r\n font-size: 11px;\r\n font-weight: 700;\r\n color: var(--m9-primary);\r\n text-transform: uppercase;\r\n letter-spacing: 0.04em;\r\n margin-bottom: 6px;\r\n}\r\n\r\n#math9ch2-widget .m9-review-content {\r\n font-size: 13px;\r\n color: var(--m9-text-dark);\r\n font-weight: 600;\r\n line-height: 1.6;\r\n}\r\n\r\n#math9ch2-widget .m9-review-formula {\r\n font-size: 13px;\r\n color: var(--m9-secondary);\r\n font-family: 'Courier New', monospace;\r\n direction: ltr;\r\n text-align: center;\r\n margin-top: 6px;\r\n}\r\n\r\n\/* ---- NUMBER LINE ---- *\/\r\n#math9ch2-widget .m9-numline-wrap {\r\n background: rgba(79,110,247,0.05);\r\n border: 1px solid rgba(79,110,247,0.15);\r\n border-radius: var(--m9-radius-sm);\r\n padding: 24px 20px;\r\n margin-top: 14px;\r\n overflow-x: auto;\r\n}\r\n\r\n#math9ch2-widget .m9-numline-svg {\r\n display: block;\r\n min-width: 320px;\r\n width: 100%;\r\n height: 80px;\r\n}\r\n\r\n\/* ---- RESPONSIVE ---- *\/\r\n@media (max-width: 600px) {\r\n #math9ch2-widget .m9-header { padding: 24px 18px 20px; }\r\n #math9ch2-widget .m9-progress-card { flex-direction: column; align-items: flex-start; gap: 14px; }\r\n #math9ch2-widget .m9-topics-grid { grid-template-columns: 1fr; }\r\n #math9ch2-widget .m9-tabs-nav { gap: 6px; }\r\n #math9ch2-widget .m9-tab-btn { padding: 8px 12px; font-size: 12px; }\r\n #math9ch2-widget .m9-calc-card, #math9ch2-widget .m9-quiz-card { padding: 18px; }\r\n #math9ch2-widget .m9-input { width: 100px; }\r\n}\r\n\r\n\/* ---- DIVIDER ---- *\/\r\n#math9ch2-widget .m9-section-title {\r\n font-size: 15px;\r\n font-weight: 700;\r\n color: var(--m9-text-dark);\r\n margin: 22px 0 14px;\r\n display: flex;\r\n align-items: center;\r\n gap: 8px;\r\n}\r\n\r\n#math9ch2-widget .m9-section-title::after {\r\n content: '';\r\n flex: 1;\r\n height: 1.5px;\r\n background: linear-gradient(90deg, rgba(79,110,247,0.2), transparent);\r\n border-radius: 2px;\r\n}\r\n\r\n\/* ---- TAGS ---- *\/\r\n#math9ch2-widget .m9-tag {\r\n display: inline-block;\r\n background: rgba(79,110,247,0.1);\r\n border: 1px solid rgba(79,110,247,0.2);\r\n color: var(--m9-primary);\r\n font-size: 11px;\r\n font-weight: 600;\r\n padding: 3px 10px;\r\n border-radius: 50px;\r\n margin: 2px;\r\n}\r\n\r\n#math9ch2-widget .m9-tag.green {\r\n background: rgba(16,185,129,0.1);\r\n border-color: rgba(16,185,129,0.25);\r\n color: #059669;\r\n}\r\n\r\n#math9ch2-widget .m9-tag.purple {\r\n background: rgba(124,58,237,0.1);\r\n border-color: rgba(124,58,237,0.25);\r\n color: var(--m9-secondary);\r\n}\r\n<\/style>\r\n<\/head>\r\n<body style=\"background:transparent;margin:0;padding:0;\">\r\n\r\n<div id=\"math9ch2-widget\">\r\n\r\n <!-- ===== HEADER ===== -->\r\n <div class=\"m9-header\">\r\n <div class=\"m9-header-badge\">\u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 \u00b7 \u0641\u0635\u0644 \u06f2<\/div>\r\n <h1>\r\n <svg width=\"32\" height=\"32\" viewBox=\"0 0 32 32\" fill=\"none\" style=\"display:inline-block;vertical-align:middle;margin-left:8px;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n <rect width=\"32\" height=\"32\" rx=\"8\" fill=\"rgba(79,110,247,0.15)\"\/>\r\n <text x=\"6\" y=\"22\" font-size=\"18\" fill=\"#4f6ef7\" font-family=\"Tahoma\" font-weight=\"bold\">\u211d<\/text>\r\n <\/svg>\r\n \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc\r\n <\/h1>\r\n <p>\u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644\u060c \u0645\u0631\u0648\u0631 \u0633\u0631\u06cc\u0639 \u0648 \u062a\u0645\u0631\u06cc\u0646 \u062a\u0639\u0627\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645<\/p>\r\n <\/div>\r\n\r\n <!-- ===== PROGRESS CARD ===== -->\r\n <div class=\"m9-glass m9-progress-card\">\r\n <div class=\"m9-progress-ring-wrap\">\r\n <svg class=\"m9-ring-svg\" viewBox=\"0 0 80 80\">\r\n <circle class=\"m9-ring-bg\" cx=\"40\" cy=\"40\" r=\"34\"\/>\r\n <circle class=\"m9-ring-fill\" id=\"m9RingFill\" cx=\"40\" cy=\"40\" r=\"34\"\/>\r\n <\/svg>\r\n <div class=\"m9-ring-label\" id=\"m9RingLabel\">\u06f0\u066a<\/div>\r\n <\/div>\r\n <div class=\"m9-progress-info\">\r\n <h3>\u067e\u06cc\u0634\u0631\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc<\/h3>\r\n <div class=\"m9-progress-bar-wrap\">\r\n <div class=\"m9-progress-bar-fill\" id=\"m9ProgressBar\"><\/div>\r\n <\/div>\r\n <p id=\"m9ProgressText\">\u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u0645\u0648\u0636\u0648\u0639\u06cc \u0631\u0627 \u062a\u06a9\u0645\u06cc\u0644 \u0646\u06a9\u0631\u062f\u0647\u200c\u0627\u06cc. \u0634\u0631\u0648\u0639 \u06a9\u0646! \ud83d\ude80<\/p>\r\n <\/div>\r\n <button class=\"m9-btn-reset\" onclick=\"m9ResetProgress()\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" style=\"margin-left:4px;vertical-align:middle\"><polyline points=\"1 4 1 10 7 10\"\/><path d=\"M3.51 15a9 9 0 1 0 .49-3.75\"\/><\/svg>\r\n \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc\r\n <\/button>\r\n <\/div>\r\n\r\n <!-- ===== TABS NAV ===== -->\r\n <div class=\"m9-tabs-nav\" role=\"tablist\">\r\n <button class=\"m9-tab-btn active\" onclick=\"m9SwitchTab('learn',this)\" role=\"tab\">\r\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z\"\/><path d=\"M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z\"\/><\/svg>\r\n \u0622\u0645\u0648\u0632\u0634\r\n <\/button>\r\n <button class=\"m9-tab-btn\" onclick=\"m9SwitchTab('summary',this)\" role=\"tab\">\r\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polyline points=\"9 11 12 14 22 4\"\/><path d=\"M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11\"\/><\/svg>\r\n \u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc\r\n <\/button>\r\n <button class=\"m9-tab-btn\" onclick=\"m9SwitchTab('calc',this)\" role=\"tab\">\r\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"4\" y=\"2\" width=\"16\" height=\"20\" rx=\"2\"\/><line x1=\"8\" y1=\"6\" x2=\"16\" y2=\"6\"\/><line x1=\"16\" y1=\"10\" x2=\"8\" y2=\"10\"\/><line x1=\"8\" y1=\"14\" x2=\"8\" y2=\"14\"\/><line x1=\"12\" y1=\"14\" x2=\"12\" y2=\"14\"\/><line x1=\"16\" y1=\"14\" x2=\"16\" y2=\"14\"\/><line x1=\"8\" y1=\"18\" x2=\"8\" y2=\"18\"\/><line x1=\"12\" y1=\"18\" x2=\"12\" y2=\"18\"\/><line x1=\"16\" y1=\"18\" x2=\"16\" y2=\"18\"\/><\/svg>\r\n \u0627\u0628\u0632\u0627\u0631\r\n <\/button>\r\n <button class=\"m9-tab-btn\" onclick=\"m9SwitchTab('quiz',this)\" role=\"tab\">\r\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3\"\/><line x1=\"12\" y1=\"17\" x2=\"12.01\" y2=\"17\"\/><\/svg>\r\n \u06a9\u0648\u06cc\u06cc\u0632\r\n <\/button>\r\n <button class=\"m9-tab-btn\" onclick=\"m9SwitchTab('exam',this)\" role=\"tab\">\r\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\/><polyline points=\"14 2 14 8 20 8\"\/><line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"\/><line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"\/><polyline points=\"10 9 9 9 8 9\"\/><\/svg>\r\n \u0634\u0628 \u0627\u0645\u062a\u062d\u0627\u0646\r\n <\/button>\r\n <\/div>\r\n\r\n <!-- ===== TAB: LEARN ===== -->\r\n <div class=\"m9-tab-panel active\" id=\"m9-tab-learn\">\r\n <div class=\"m9-topics-grid\">\r\n\r\n <!-- Card 1 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(79,110,247,0.12);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><text x=\"2\" y=\"19\" font-size=\"17\" fill=\"#4f6ef7\" font-family=\"Tahoma\" font-weight=\"bold\">\u211d<\/text><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic0')\" data-id=\"topic0\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u0686\u06cc\u0633\u062a\u061f<\/div>\r\n <div class=\"m9-topic-desc\">\u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc (\u211d) \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u0627\u0639\u062f\u0627\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0631\u0648\u06cc \u062e\u0637 \u0627\u0639\u062f\u0627\u062f \u0646\u0645\u0627\u06cc\u0634 \u062f\u0647\u06cc\u0645\u061b \u0647\u0645 \u06af\u0648\u06cc\u0627\u0647\u0627 \u0648 \u0647\u0645 \u06af\u0646\u06af\u200c\u0647\u0627.<\/div>\r\n <div class=\"m9-formula-box\">\u211d = Q \u222a Q'<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0645\u062b\u0627\u0644<\/strong>\r\n \u06f3\u060c \u2212\u06f5\u060c \u00bd\u060c \u03c0\u060c \u221a\u06f2\u060c \u06f0\u060c \u06f1.\u06f4\u06f1\u06f4... \u0647\u0645\u0647 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u0647\u0633\u062a\u0646\u062f.\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0647\u0631 \u0639\u062f\u062f \u06af\u0648\u06cc\u0627 \u06cc\u0627 \u06af\u0646\u06af\u060c \u062d\u0642\u06cc\u0642\u06cc \u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u221a\u2212\u06f1 \u062d\u0642\u06cc\u0642\u06cc \u0646\u06cc\u0633\u062a (\u0645\u0648\u0647\u0648\u0645\u06cc \u0627\u0633\u062a).<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 2 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(124,58,237,0.12);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"><text x=\"3\" y=\"18\" font-size=\"15\" fill=\"#7c3aed\" font-family=\"Tahoma\" font-weight=\"bold\">Q<\/text><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic1')\" data-id=\"topic1\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0639\u062f\u062f\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/div>\r\n <div class=\"m9-topic-desc\">\u0639\u062f\u062f \u06af\u0648\u06cc\u0627 \u0647\u0631 \u0639\u062f\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u06a9\u0633\u0631\u06cc \u0646\u0648\u0634\u062a \u06a9\u0647 \u0635\u0648\u0631\u062a \u0648 \u0645\u062e\u0631\u062c\u0634 \u0647\u0631 \u062f\u0648 \u0635\u062d\u06cc\u062d \u0648 \u0645\u062e\u0631\u062c \u2260 \u0635\u0641\u0631 \u0628\u0627\u0634\u062f.<\/div>\r\n <div class=\"m9-formula-box\">Q = { p\/q | p,q \u2208 \u2124 , q \u2260 0 }<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0645\u062b\u0627\u0644<\/strong>\r\n \u06f3 = \u06f3\/\u06f1 \u2713   \u06f0.\u06f7\u06f5 = \u00be \u2713   \u06f0.\u06f3\u06f3\u06f3... = \u2153 \u2713<br>\u0627\u0639\u0634\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631\u06cc = \u0647\u0645\u06cc\u0634\u0647 \u06af\u0648\u06cc\u0627\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0627\u0639\u0634\u0627\u0631 \u0645\u062d\u062f\u0648\u062f \u0647\u0645\u06cc\u0634\u0647 \u06af\u0648\u06cc\u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0627\u0639\u0634\u0627\u0631 \u0645\u062a\u0646\u0627\u0648\u0628 \u0647\u0645 \u06af\u0648\u06cc\u0627\u0633\u062a.<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 3 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(6,182,212,0.12);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\"><text x=\"2\" y=\"18\" font-size=\"14\" fill=\"#0891b2\" font-family=\"Tahoma\" font-weight=\"bold\">Q'<\/text><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic2')\" data-id=\"topic2\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0639\u062f\u062f\u0647\u0627\u06cc \u06af\u0646\u06af<\/div>\r\n <div class=\"m9-topic-desc\">\u0627\u0639\u062f\u0627\u062f \u06af\u0646\u06af \u0627\u0639\u062f\u0627\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a p\/q \u0646\u0648\u0634\u062a. \u0627\u0639\u0634\u0627\u0631 \u0622\u0646\u200c\u0647\u0627 \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u0648 \u063a\u06cc\u0631 \u0645\u062a\u0646\u0627\u0648\u0628 \u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-formula-box\">Q' = \u211d \\ Q<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0645\u062b\u0627\u0644<\/strong>\r\n \u03c0 = \u06f3.\u06f1\u06f4\u06f1\u06f5\u06f9\u06f2\u06f6...   \u221a\u06f2 = \u06f1.\u06f4\u06f1\u06f4\u06f2...   \u221a\u06f3 \u060c \u221a\u06f5 \u0647\u0645\u0647 \u06af\u0646\u06af\u200c\u0627\u0646\u062f.\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u221an \u06af\u0646\u06af \u0627\u0633\u062a \u0627\u06af\u0631 n \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0646\u0628\u0627\u0634\u062f.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0645\u062c\u0645\u0648\u0639 \u06af\u0648\u06cc\u0627 + \u06af\u0646\u06af = \u06af\u0646\u06af.<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 4 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(16,185,129,0.12);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#10b981\" stroke-width=\"2\"><line x1=\"3\" y1=\"12\" x2=\"21\" y2=\"12\"\/><polyline points=\"17 8 21 12 17 16\"\/><line x1=\"7\" y1=\"8\" x2=\"7\" y2=\"12\"\/><line x1=\"7\" y1=\"12\" x2=\"7\" y2=\"16\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic3')\" data-id=\"topic3\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0645\u062d\u0648\u0631 \u0627\u0639\u062f\u0627\u062f<\/div>\r\n <div class=\"m9-topic-desc\">\u0647\u0631 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u062f\u0642\u06cc\u0642\u0627\u064b \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u0631\u0648\u06cc \u062e\u0637 \u0627\u0639\u062f\u0627\u062f \u062f\u0627\u0631\u062f \u0648 \u0647\u0631 \u0646\u0642\u0637\u0647 \u0631\u0648\u06cc \u062e\u0637 \u062f\u0642\u06cc\u0642\u0627\u064b \u06cc\u06a9 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-numline-wrap\">\r\n <svg class=\"m9-numline-svg\" viewBox=\"0 0 500 80\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n <line x1=\"20\" y1=\"40\" x2=\"480\" y2=\"40\" stroke=\"#4f6ef7\" stroke-width=\"2.5\"\/>\r\n <polygon points=\"480,36 490,40 480,44\" fill=\"#4f6ef7\"\/>\r\n <polygon points=\"20,36 10,40 20,44\" fill=\"#4f6ef7\"\/>\r\n <g fill=\"#4f6ef7\" font-size=\"11\" font-family=\"Tahoma\" text-anchor=\"middle\">\r\n <line x1=\"80\" y1=\"35\" x2=\"80\" y2=\"45\" stroke=\"#4f6ef7\" stroke-width=\"1.5\"\/>\r\n <text x=\"80\" y=\"60\">\u2212\u06f3<\/text>\r\n <line x1=\"150\" y1=\"35\" x2=\"150\" y2=\"45\" stroke=\"#4f6ef7\" stroke-width=\"1.5\"\/>\r\n <text x=\"150\" y=\"60\">\u2212\u06f1<\/text>\r\n <line x1=\"200\" y1=\"32\" x2=\"200\" y2=\"48\" stroke=\"#4f6ef7\" stroke-width=\"2\"\/>\r\n <text x=\"200\" y=\"63\" font-weight=\"bold\">\u06f0<\/text>\r\n <line x1=\"260\" y1=\"35\" x2=\"260\" y2=\"45\" stroke=\"#4f6ef7\" stroke-width=\"1.5\"\/>\r\n <text x=\"260\" y=\"60\">\u221a\u06f2<\/text>\r\n <line x1=\"310\" y1=\"35\" x2=\"310\" y2=\"45\" stroke=\"#4f6ef7\" stroke-width=\"1.5\"\/>\r\n <text x=\"310\" y=\"60\">\u06f2<\/text>\r\n <line x1=\"380\" y1=\"35\" x2=\"380\" y2=\"45\" stroke=\"#4f6ef7\" stroke-width=\"1.5\"\/>\r\n <text x=\"380\" y=\"60\">\u03c0<\/text>\r\n <\/g>\r\n <circle cx=\"260\" cy=\"40\" r=\"5\" fill=\"#7c3aed\" opacity=\"0.8\"\/>\r\n <circle cx=\"380\" cy=\"40\" r=\"5\" fill=\"#06b6d4\" opacity=\"0.8\"\/>\r\n <text x=\"260\" y=\"25\" font-size=\"9\" fill=\"#7c3aed\" text-anchor=\"middle\" font-family=\"Tahoma\">\u06af\u0646\u06af<\/text>\r\n <text x=\"380\" y=\"25\" font-size=\"9\" fill=\"#06b6d4\" text-anchor=\"middle\" font-family=\"Tahoma\">\u06af\u0646\u06af<\/text>\r\n <\/svg>\r\n <\/div>\r\n <div class=\"m9-tips\" style=\"margin-top:10px\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0628\u06cc\u0646 \u0647\u0631 \u062f\u0648 \u0639\u062f\u062f \u06af\u0648\u06cc\u0627\u060c \u0628\u06cc\u200c\u0646\u0647\u0627\u06cc\u062a \u0639\u062f\u062f \u06af\u0646\u06af \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 5 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(245,158,11,0.12);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#d97706\" stroke-width=\"2\"><polyline points=\"8 18 12 22 16 18\"\/><polyline points=\"8 6 12 2 16 6\"\/><line x1=\"12\" y1=\"2\" x2=\"12\" y2=\"22\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic4')\" data-id=\"topic4\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0645\u0642\u0627\u06cc\u0633\u0647 \u0648 \u062a\u0631\u062a\u06cc\u0628 \u0627\u0639\u062f\u0627\u062f<\/div>\r\n <div class=\"m9-topic-desc\">\u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u062f\u0648 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc\u060c \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0631\u0648\u06cc \u0645\u062d\u0648\u0631 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645. \u0639\u062f\u062f \u0633\u0645\u062a \u0631\u0627\u0633\u062a\u200c\u062a\u0631 \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-formula-box\">a > b \u27fa a \u2212 b > 0<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0645\u062b\u0627\u0644<\/strong>\r\n \u0645\u0642\u0627\u06cc\u0633\u0647 \u06f3 \u0648 \u221a\u06f1\u06f0:<br>\r\n \u06f3 = \u221a\u06f9 \u0648 \u221a\u06f1\u06f0 > \u221a\u06f9 \u067e\u0633 \u221a\u06f1\u06f0 > \u06f3\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0631\u0627\u062f\u06cc\u06a9\u0627\u0644\u200c\u0647\u0627\u060c \u0647\u0631 \u062f\u0648 \u0631\u0627 \u0628\u0647 \u062a\u0648\u0627\u0646 \u0631\u0633\u0627\u0646.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0627\u06af\u0631 a>0 \u0648 b>0 : a>b \u27fa a\u00b2>b\u00b2<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 6 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(239,68,68,0.1);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><path d=\"M12 2v20M2 12h20M7 7l10 10M17 7L7 17\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic5')\" data-id=\"topic5\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0642\u062f\u0631 \u0645\u0637\u0644\u0642<\/div>\r\n <div class=\"m9-topic-desc\">\u0642\u062f\u0631 \u0645\u0637\u0644\u0642 \u06cc\u06a9 \u0639\u062f\u062f\u060c \u0641\u0627\u0635\u0644\u0647 \u0622\u0646 \u0639\u062f\u062f \u0627\u0632 \u0635\u0641\u0631 \u0631\u0648\u06cc \u0645\u062d\u0648\u0631 \u0627\u0639\u062f\u0627\u062f \u0627\u0633\u062a. \u0647\u0645\u06cc\u0634\u0647 \u0645\u062b\u0628\u062a \u06cc\u0627 \u0635\u0641\u0631 \u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-formula-box\">|a| = a \u0627\u06af\u0631 a\u22650 \u060c |a| = \u2212a \u0627\u06af\u0631 a<0<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0645\u062b\u0627\u0644<\/strong>\r\n |\u2212\u06f5| = \u06f5    |\u06f3| = \u06f3    |\u2212\u221a\u06f2| = \u221a\u06f2    |\u06f0| = \u06f0\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> |a| \u2265 \u06f0 \u0647\u0645\u06cc\u0634\u0647.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> |a| = |\u2212a| \u0647\u0645\u06cc\u0634\u0647.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> |a\u00b7b| = |a|\u00b7|b|<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 7 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(16,185,129,0.1);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#059669\" stroke-width=\"2\"><circle cx=\"12\" cy=\"12\" r=\"3\"\/><path d=\"M12 1v4M12 19v4M4.22 4.22l2.83 2.83M16.95 16.95l2.83 2.83M1 12h4M19 12h4M4.22 19.78l2.83-2.83M16.95 7.05l2.83-2.83\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic6')\" data-id=\"topic6\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u062a\u0642\u0631\u06cc\u0628 \u0648 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646<\/div>\r\n <div class=\"m9-topic-desc\">\u062a\u0642\u0631\u06cc\u0628 \u06cc\u0639\u0646\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0646\u0632\u062f\u06cc\u06a9\u200c\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0633\u0627\u062f\u0647 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u062f\u0642\u06cc\u0642\u060c \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0645\u0634\u062e\u0635\u06cc \u0631\u0642\u0645 \u0627\u0639\u0634\u0627\u0631.<\/div>\r\n <div class=\"m9-formula-box\">\u0627\u06af\u0631 \u0631\u0642\u0645 \u0628\u0639\u062f\u06cc \u2265 \u06f5 \u2190 \u06af\u0631\u062f \u0628\u0647 \u0628\u0627\u0644\u0627<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0645\u062b\u0627\u0644<\/strong>\r\n \u03c0 \u2248 \u06f3.\u06f1\u06f4 (\u062f\u0648 \u0627\u0639\u0634\u0627\u0631)    \u221a\u06f2 \u2248 \u06f1.\u06f4 (\u06cc\u06a9 \u0627\u0639\u0634\u0627\u0631)<br>\r\n \u06f3.\u06f4\u06f5\u06f6 \u2248 \u06f3.\u06f5 (\u06cc\u06a9 \u0627\u0639\u0634\u0627\u0631)\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u2248 \u0646\u0634\u0627\u0646\u0647 \u00ab\u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u0628\u0631\u0627\u0628\u0631\u00bb \u0627\u0633\u062a.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u0631\u0642\u0645 \u06f5 \u0648 \u0628\u0627\u0644\u0627\u062a\u0631 \u2192 \u06af\u0631\u062f \u0628\u0647 \u0628\u0627\u0644\u0627.<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- Card 8 -->\r\n <div class=\"m9-topic-card\">\r\n <div class=\"m9-topic-header\">\r\n <div class=\"m9-topic-icon\" style=\"background:rgba(79,110,247,0.1);\">\r\n <svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#4f6ef7\" stroke-width=\"2\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"8\" rx=\"2\"\/><line x1=\"3\" y1=\"12\" x2=\"21\" y2=\"12\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-topic-check\">\r\n <span>\u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645<\/span>\r\n <div class=\"m9-check-toggle\" onclick=\"m9Toggle(this,'topic7')\" data-id=\"topic7\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"3\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <div class=\"m9-topic-title\">\u0628\u0627\u0632\u0647\u200c\u0647\u0627<\/div>\r\n <div class=\"m9-topic-desc\">\u0628\u0627\u0632\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc \u0627\u0633\u062a \u0628\u06cc\u0646 \u062f\u0648 \u0639\u062f\u062f a \u0648 b. \u0628\u0627 \u06a9\u0631\u0648\u0634\u0647 (\u0634\u0627\u0645\u0644) \u06cc\u0627 \u067e\u0631\u0627\u0646\u062a\u0632 (\u0634\u0627\u0645\u0644 \u0646\u0634\u062f\u0647) \u0646\u0645\u0627\u06cc\u0634 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/div>\r\n <div class=\"m9-formula-box\">[a,b] = {x | a \u2264 x \u2264 b}<\/div>\r\n <div class=\"m9-example-box\">\r\n <strong>\ud83d\udd0d \u0627\u0646\u0648\u0627\u0639 \u0628\u0627\u0632\u0647<\/strong>\r\n [\u06f2,\u06f5] : \u0627\u0632 \u06f2 \u062a\u0627 \u06f5 \u0634\u0627\u0645\u0644 \u0647\u0631 \u062f\u0648<br>\r\n (\u06f2,\u06f5) : \u0627\u0632 \u06f2 \u062a\u0627 \u06f5 \u0628\u062f\u0648\u0646 \u0647\u06cc\u0686\u200c\u06a9\u062f\u0627\u0645<br>\r\n [\u06f2,\u06f5) : \u06f2 \u062f\u0627\u062e\u0644\u060c \u06f5 \u062e\u0627\u0631\u062c<br>\r\n (\u2212\u221e, \u06f3] : \u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u2264 \u06f3\r\n <\/div>\r\n <div class=\"m9-tips\">\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u06a9\u0631\u0648\u0634\u0647 [ ] = \u0634\u0627\u0645\u0644 \u0646\u0642\u0637\u0647.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u067e\u0631\u0627\u0646\u062a\u0632 ( ) = \u0634\u0627\u0645\u0644 \u0646\u0634\u062f\u0647.<\/div>\r\n <div class=\"m9-tip\"><span class=\"m9-tip-icon\">\u26a0\ufe0f<\/span> \u221e \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627 \u067e\u0631\u0627\u0646\u062a\u0632 \u0645\u06cc\u200c\u0622\u06cc\u062f.<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- ===== TAB: SUMMARY ===== -->\r\n <div class=\"m9-tab-panel\" id=\"m9-tab-summary\">\r\n <div class=\"m9-section-title\">\r\n <svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#4f6ef7\" stroke-width=\"2\"><polyline points=\"9 11 12 14 22 4\"\/><path d=\"M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11\"\/><\/svg>\r\n \u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc \u0645\u0641\u0627\u0647\u06cc\u0645 \u06a9\u0644\u06cc\u062f\u06cc\r\n <\/div>\r\n\r\n <div class=\"m9-accordion\" id=\"m9acc0\">\r\n <div class=\"m9-accordion-header\" onclick=\"m9AccToggle('m9acc0')\">\r\n <div class=\"m9-accordion-title\">\r\n <span style=\"font-size:18px\">\ud83d\udcd0<\/span> \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0627\u0639\u062f\u0627\u062f\r\n <\/div>\r\n <svg class=\"m9-accordion-arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-accordion-body\">\r\n <div class=\"m9-accordion-content\">\r\n <p style=\"margin-bottom:12px\">\u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc \u0628\u0647 \u062f\u0648 \u062f\u0633\u062a\u0647 \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f:<\/p>\r\n <ul>\r\n <li><strong>\u06af\u0648\u06cc\u0627 (Q):<\/strong> \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d\u060c \u06a9\u0633\u0631\u06cc\u060c \u0627\u0639\u0634\u0627\u0631 \u0645\u062d\u062f\u0648\u062f\u060c \u0627\u0639\u0634\u0627\u0631 \u0645\u062a\u0646\u0627\u0648\u0628<\/li>\r\n <li><strong>\u06af\u0646\u06af (Q'):<\/strong> \u0631\u0627\u062f\u06cc\u06a9\u0627\u0644 \u063a\u06cc\u0631 \u06a9\u0627\u0645\u0644\u060c \u03c0\u060c e \u0648 \u0627\u0639\u0634\u0627\u0631 \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u063a\u06cc\u0631 \u0645\u062a\u0646\u0627\u0648\u0628<\/li>\r\n <\/ul>\r\n <div class=\"m9-formula-box\" style=\"margin-top:12px\">\u211d = Q \u222a Q'    Q \u2229 Q' = \u2205<\/div>\r\n <div style=\"margin-top:10px\">\r\n <span class=\"m9-tag\">\u2115 \u2282 \u2124<\/span>\r\n <span class=\"m9-tag\">\u2124 \u2282 Q<\/span>\r\n <span class=\"m9-tag\">Q \u2282 \u211d<\/span>\r\n <span class=\"m9-tag green\">Q' \u2282 \u211d<\/span>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"m9-accordion\" id=\"m9acc1\">\r\n <div class=\"m9-accordion-header\" onclick=\"m9AccToggle('m9acc1')\">\r\n <div class=\"m9-accordion-title\"><span style=\"font-size:18px\">\ud83c\udfaf<\/span> \u0642\u0648\u0627\u0646\u06cc\u0646 \u0642\u062f\u0631 \u0645\u0637\u0644\u0642<\/div>\r\n <svg class=\"m9-accordion-arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-accordion-body\">\r\n <div class=\"m9-accordion-content\">\r\n <ul>\r\n <li>|a| \u2265 \u06f0 \u0628\u0631\u0627\u06cc \u0647\u0631 a<\/li>\r\n <li>|a| = \u06f0 \u27fa a = \u06f0<\/li>\r\n <li>|\u2212a| = |a|<\/li>\r\n <li>|a \u00b7 b| = |a| \u00b7 |b|<\/li>\r\n <li>|a\/b| = |a|\/|b| (b \u2260 0)<\/li>\r\n <li>|a + b| \u2264 |a| + |b| (\u0646\u0627\u0645\u0633\u0627\u0648\u06cc \u0645\u062b\u0644\u062b)<\/li>\r\n <li>|a \u2212 b| \u0641\u0627\u0635\u0644\u0647 a \u0648 b \u0631\u0648\u06cc \u0645\u062d\u0648\u0631 \u0627\u0633\u062a<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"m9-accordion\" id=\"m9acc2\">\r\n <div class=\"m9-accordion-header\" onclick=\"m9AccToggle('m9acc2')\">\r\n <div class=\"m9-accordion-title\"><span style=\"font-size:18px\">\ud83d\udccf<\/span> \u0627\u0646\u0648\u0627\u0639 \u0628\u0627\u0632\u0647\u200c\u0647\u0627<\/div>\r\n <svg class=\"m9-accordion-arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-accordion-body\">\r\n <div class=\"m9-accordion-content\">\r\n <ul>\r\n <li><strong>[a,b]<\/strong> : \u0628\u0633\u062a\u0647 \u2014 \u0647\u0631 \u062f\u0648 \u0637\u0631\u0641 \u0634\u0627\u0645\u0644<\/li>\r\n <li><strong>(a,b)<\/strong> : \u0628\u0627\u0632 \u2014 \u0647\u06cc\u0686\u200c\u0637\u0631\u0641 \u0634\u0627\u0645\u0644 \u0646\u06cc\u0633\u062a<\/li>\r\n <li><strong>[a,b)<\/strong> : \u0646\u06cc\u0645\u0647\u200c\u0628\u0627\u0632 \u2014 \u0686\u067e \u0634\u0627\u0645\u0644<\/li>\r\n <li><strong>(a,b]<\/strong> : \u0646\u06cc\u0645\u0647\u200c\u0628\u0627\u0632 \u2014 \u0631\u0627\u0633\u062a \u0634\u0627\u0645\u0644<\/li>\r\n <li><strong>[a,+\u221e)<\/strong> : x \u2265 a<\/li>\r\n <li><strong>(\u2212\u221e,b]<\/strong> : x \u2264 b<\/li>\r\n <li><strong>(\u2212\u221e,+\u221e)<\/strong> : \u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc = \u211d<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"m9-accordion\" id=\"m9acc3\">\r\n <div class=\"m9-accordion-header\" onclick=\"m9AccToggle('m9acc3')\">\r\n <div class=\"m9-accordion-title\"><span style=\"font-size:18px\">\ud83d\udd22<\/span> \u0645\u0642\u0627\u06cc\u0633\u0647 \u0639\u062f\u062f\u0647\u0627<\/div>\r\n <svg class=\"m9-accordion-arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-accordion-body\">\r\n <div class=\"m9-accordion-content\">\r\n <ul>\r\n <li>\u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0631\u0627\u062f\u06cc\u06a9\u0627\u0644\u200c\u0647\u0627: \u0647\u0631 \u062f\u0648 \u0631\u0627 \u0628\u0647 \u062a\u0648\u0627\u0646 \u06f2 \u0628\u0631\u0633\u0627\u0646<\/li>\r\n <li>\u221aa > \u221ab \u27fa a > b (\u0648\u0642\u062a\u06cc a,b > 0)<\/li>\r\n <li>\u0627\u06af\u0631 a < 0 < b \u0628\u0627\u0634\u062f: \u0647\u0645\u06cc\u0634\u0647 b > a<\/li>\r\n <li>\u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0633\u0631\u0647\u0627\u060c \u0645\u062e\u0631\u062c \u0645\u0634\u062a\u0631\u06a9 \u0628\u06af\u06cc\u0631<\/li>\r\n <li>\u0627\u0639\u062f\u0627\u062f \u0645\u0646\u0641\u06cc: \u0647\u0631\u0686\u0647 \u0642\u062f\u0631 \u0645\u0637\u0644\u0642 \u0628\u0632\u0631\u06af\u200c\u062a\u0631\u060c \u0639\u062f\u062f \u06a9\u0648\u0686\u06a9\u200c\u062a\u0631<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"m9-accordion\" id=\"m9acc4\">\r\n <div class=\"m9-accordion-header\" onclick=\"m9AccToggle('m9acc4')\">\r\n <div class=\"m9-accordion-title\"><span style=\"font-size:18px\">\ud83c\udf93<\/span> \u0646\u06a9\u0627\u062a \u0627\u0645\u062a\u062d\u0627\u0646\u06cc \u0645\u0647\u0645<\/div>\r\n <svg class=\"m9-accordion-arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\r\n <\/div>\r\n <div class=\"m9-accordion-body\">\r\n <div class=\"m9-accordion-content\">\r\n <ul>\r\n <li>\u0647\u0631 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d\u060c \u06af\u0648\u06cc\u0627 \u0648 \u062d\u0642\u06cc\u0642\u06cc \u0627\u0633\u062a.<\/li>\r\n <li>\u221an \u06af\u0646\u06af \u0627\u0633\u062a \u0645\u06af\u0631 n \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0628\u0627\u0634\u062f (\u06f1\u060c \u06f4\u060c \u06f9\u060c \u06f1\u06f6\u060c \u06f2\u06f5...)<\/li>\r\n <li>\u062d\u0627\u0635\u0644\u200c\u0636\u0631\u0628 \u06af\u0648\u06cc\u0627 \u00d7 \u06af\u0646\u06af (\u063a\u06cc\u0631 \u0635\u0641\u0631) = \u06af\u0646\u06af<\/li>\r\n <li>\u06f0.\u06f3\u06f3\u06f3... = \u06f1\/\u06f3 (\u06af\u0648\u06cc\u0627) \u0627\u0645\u0627 \u06f0.\u06f1\u06f0\u06f1\u06f0\u06f0\u06f1\u06f0\u06f0\u06f0\u06f1... (\u06af\u0646\u06af)<\/li>\r\n <li>|x| = a \u27f9 x = a \u06cc\u0627 x = \u2212a<\/li>\r\n <li>|x| < a \u27f9 \u2212a < x < a<\/li>\r\n <li>|x| > a \u27f9 x > a \u06cc\u0627 x < \u2212a<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- ===== TAB: CALCULATOR ===== -->\r\n <div class=\"m9-tab-panel\" id=\"m9-tab-calc\">\r\n <div class=\"m9-glass m9-calc-card\">\r\n <div class=\"m9-calc-title\">\r\n <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#4f6ef7\" stroke-width=\"2\"><rect x=\"4\" y=\"2\" width=\"16\" height=\"20\" rx=\"2\"\/><line x1=\"8\" y1=\"6\" x2=\"16\" y2=\"6\"\/><line x1=\"8\" y1=\"10\" x2=\"16\" y2=\"10\"\/><line x1=\"8\" y1=\"14\" x2=\"12\" y2=\"14\"\/><line x1=\"8\" y1=\"18\" x2=\"12\" y2=\"18\"\/><rect x=\"14\" y=\"14\" width=\"6\" height=\"6\" rx=\"1\" fill=\"#4f6ef7\" opacity=\"0.2\"\/><\/svg>\r\n \u0627\u0628\u0632\u0627\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u062a\u0639\u0627\u0645\u0644\u06cc\r\n <\/div>\r\n <div class=\"m9-calc-subtitle\">\u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0641\u0635\u0644 \u06f2<\/div>\r\n\r\n <div class=\"m9-calc-tabs\">\r\n <button class=\"m9-calc-tab active\" onclick=\"m9CalcTab('abs',this)\">\u0642\u062f\u0631 \u0645\u0637\u0644\u0642<\/button>\r\n <button class=\"m9-calc-tab\" onclick=\"m9CalcTab('approx',this)\">\u062a\u0642\u0631\u06cc\u0628<\/button>\r\n <button class=\"m9-calc-tab\" onclick=\"m9CalcTab('compare',this)\">\u0645\u0642\u0627\u06cc\u0633\u0647<\/button>\r\n <button class=\"m9-calc-tab\" onclick=\"m9CalcTab('interval',this)\">\u0628\u0627\u0632\u0647<\/button>\r\n <\/div>\r\n\r\n <!-- ABS -->\r\n <div class=\"m9-calc-panel active\" id=\"m9calc-abs\">\r\n <div class=\"m9-input-group\">\r\n <span class=\"m9-input-label\">\u0639\u062f\u062f a :<\/span>\r\n <input class=\"m9-input\" id=\"m9AbsIn\" type=\"number\" step=\"any\" placeholder=\"\u0645\u062b\u0644\u0627\u064b \u2212\u06f7\" value=\"\">\r\n <\/div>\r\n <button class=\"m9-btn-calc\" onclick=\"m9CalcAbs()\">\u0645\u062d\u0627\u0633\u0628\u0647 |a|<\/button>\r\n <div class=\"m9-result-box\" id=\"m9AbsResult\"><\/div>\r\n <\/div>\r\n\r\n <!-- APPROX -->\r\n <div class=\"m9-calc-panel\" id=\"m9calc-approx\">\r\n <div class=\"m9-input-group\">\r\n <span class=\"m9-input-label\">\u0639\u062f\u062f :<\/span>\r\n <input class=\"m9-input\" id=\"m9ApproxIn\" type=\"number\" step=\"any\" placeholder=\"\u0645\u062b\u0644\u0627\u064b \u06f3.\u06f1\u06f4\u06f1\u06f5\u06f9\" value=\"\">\r\n <span class=\"m9-input-label\">\u0627\u0639\u0634\u0627\u0631 :<\/span>\r\n <select class=\"m9-input-select\" id=\"m9ApproxDec\">\r\n <option value=\"0\">\u06f0<\/option>\r\n <option value=\"1\" selected>\u06f1<\/option>\r\n <option value=\"2\">\u06f2<\/option>\r\n <option value=\"3\">\u06f3<\/option>\r\n <option value=\"4\">\u06f4<\/option>\r\n <\/select>\r\n <\/div>\r\n <button class=\"m9-btn-calc\" onclick=\"m9CalcApprox()\">\u06af\u0631\u062f \u06a9\u0631\u062f\u0646<\/button>\r\n <div class=\"m9-result-box\" id=\"m9ApproxResult\"><\/div>\r\n <\/div>\r\n\r\n <!-- COMPARE -->\r\n <div class=\"m9-calc-panel\" id=\"m9calc-compare\">\r\n <div class=\"m9-input-group\">\r\n <span class=\"m9-input-label\">\u0639\u062f\u062f a :<\/span>\r\n <input class=\"m9-input\" id=\"m9CmpA\" type=\"number\" step=\"any\" placeholder=\"\u2212\u06f3.\u06f5\" value=\"\">\r\n <span class=\"m9-input-label\">\u0639\u062f\u062f b :<\/span>\r\n <input class=\"m9-input\" id=\"m9CmpB\" type=\"number\" step=\"any\" placeholder=\"\u06f2\" value=\"\">\r\n <\/div>\r\n <button class=\"m9-btn-calc\" onclick=\"m9CalcCompare()\">\u0645\u0642\u0627\u06cc\u0633\u0647<\/button>\r\n <div class=\"m9-result-box\" id=\"m9CmpResult\"><\/div>\r\n <\/div>\r\n\r\n <!-- INTERVAL -->\r\n <div class=\"m9-calc-panel\" id=\"m9calc-interval\">\r\n <div class=\"m9-input-group\">\r\n <span class=\"m9-input-label\">a :<\/span>\r\n <input class=\"m9-input\" id=\"m9IntA\" type=\"number\" step=\"any\" placeholder=\"\u06f2\" value=\"\">\r\n <span class=\"m9-input-label\">b :<\/span>\r\n <input class=\"m9-input\" id=\"m9IntB\" type=\"number\" step=\"any\" placeholder=\"\u06f7\" value=\"\">\r\n <\/div>\r\n <div class=\"m9-input-group\">\r\n <span class=\"m9-input-label\">\u0646\u0648\u0639 :<\/span>\r\n <select class=\"m9-input-select\" id=\"m9IntType\">\r\n <option value=\"cc\">[a,b] \u0628\u0633\u062a\u0647<\/option>\r\n <option value=\"oo\">(a,b) \u0628\u0627\u0632<\/option>\r\n <option value=\"co\">[a,b) \u0646\u06cc\u0645\u0647\u200c\u0628\u0627\u0632<\/option>\r\n <option value=\"oc\">(a,b] \u0646\u06cc\u0645\u0647\u200c\u0628\u0627\u0632<\/option>\r\n <\/select>\r\n <span class=\"m9-input-label\">\u0639\u062f\u062f x :<\/span>\r\n <input class=\"m9-input\" id=\"m9IntX\" type=\"number\" step=\"any\" placeholder=\"\u06f4\" value=\"\">\r\n <\/div>\r\n <button class=\"m9-btn-calc\" onclick=\"m9CalcInterval()\">\u0628\u0631\u0631\u0633\u06cc \u0639\u0636\u0648\u06cc\u062a<\/button>\r\n <div class=\"m9-result-box\" id=\"m9IntResult\"><\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- ===== TAB: QUIZ ===== -->\r\n <div class=\"m9-tab-panel\" id=\"m9-tab-quiz\">\r\n <div class=\"m9-glass m9-quiz-card\">\r\n <div class=\"m9-quiz-top\">\r\n <div class=\"m9-quiz-title\">\r\n <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#4f6ef7\" stroke-width=\"2\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3\"\/><line x1=\"12\" y1=\"17\" x2=\"12.01\" y2=\"17\"\/><\/svg>\r\n \u06a9\u0648\u06cc\u06cc\u0632 \u062a\u0639\u0627\u0645\u0644\u06cc\r\n <\/div>\r\n <div class=\"m9-quiz-score-badge\" id=\"m9ScoreBadge\">\u0627\u0645\u062a\u06cc\u0627\u0632: \u06f0 \/ \u06f0<\/div>\r\n <\/div>\r\n <div class=\"m9-quiz-progress\">\r\n <div class=\"m9-quiz-progress-fill\" id=\"m9QuizProgressFill\" style=\"width:0%\"><\/div>\r\n <\/div>\r\n\r\n <div id=\"m9QuizArea\">\r\n <div class=\"m9-question-text\" id=\"m9QuestionText\"><\/div>\r\n <div class=\"m9-options\" id=\"m9Options\"><\/div>\r\n <div class=\"m9-quiz-feedback\" id=\"m9QuizFeedback\"><\/div>\r\n <div class=\"m9-quiz-btns\">\r\n <button class=\"m9-btn-next\" id=\"m9BtnNext\" onclick=\"m9NextQ()\">\u0633\u0624\u0627\u0644 \u0628\u0639\u062f\u06cc \u27f5<\/button>\r\n <button class=\"m9-btn-restart\" id=\"m9BtnRestart\" onclick=\"m9RestartQuiz()\">\r\n <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" style=\"margin-left:4px;vertical-align:middle\"><polyline points=\"1 4 1 10 7 10\"\/><path d=\"M3.51 15a9 9 0 1 0 .49-3.75\"\/><\/svg>\r\n \u0634\u0631\u0648\u0639 \u0645\u062c\u062f\u062f\r\n <\/button>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"m9-quiz-result\" id=\"m9QuizResult\">\r\n <div class=\"m9-result-emoji\" id=\"m9ResultEmoji\">\ud83c\udf89<\/div>\r\n <div class=\"m9-result-score\" id=\"m9ResultScore\"><\/div>\r\n <div class=\"m9-result-msg\" id=\"m9ResultMsg\"><\/div>\r\n <button class=\"m9-btn-next show\" onclick=\"m9RestartQuiz()\">\u062f\u0648\u0628\u0627\u0631\u0647 \u062a\u0644\u0627\u0634 \u06a9\u0646<\/button>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- ===== TAB: EXAM NIGHT ===== -->\r\n <div class=\"m9-tab-panel\" id=\"m9-tab-exam\">\r\n <div class=\"m9-section-title\">\r\n <svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#f59e0b\" stroke-width=\"2\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg>\r\n \u0645\u0631\u0648\u0631 \u0633\u0631\u06cc\u0639 \u0634\u0628 \u0627\u0645\u062a\u062d\u0627\u0646\r\n <\/div>\r\n\r\n <div class=\"m9-review-grid\">\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u062a\u0639\u0631\u06cc\u0641<\/div>\r\n <div class=\"m9-review-content\">\u0639\u062f\u062f \u06af\u0648\u06cc\u0627 = p\/q \u06a9\u0647 p,q \u0635\u062d\u06cc\u062d \u0648 q\u22600<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u062a\u0639\u0631\u06cc\u0641<\/div>\r\n <div class=\"m9-review-content\">\u0639\u062f\u062f \u06af\u0646\u06af = \u0627\u0639\u0634\u0627\u0631 \u0646\u0627\u0645\u062d\u062f\u0648\u062f \u063a\u06cc\u0631 \u0645\u062a\u0646\u0627\u0648\u0628<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0641\u0631\u0645\u0648\u0644<\/div>\r\n <div class=\"m9-review-content\">\u0642\u062f\u0631 \u0645\u0637\u0644\u0642 a<\/div>\r\n <div class=\"m9-review-formula\">|a| \u2265 0 \u0647\u0645\u06cc\u0634\u0647<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0641\u0631\u0645\u0648\u0644<\/div>\r\n <div class=\"m9-review-content\">\u0628\u0627\u0632\u0647 \u0628\u0633\u062a\u0647<\/div>\r\n <div class=\"m9-review-formula\">[a,b] = {a \u2264 x \u2264 b}<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645<\/div>\r\n <div class=\"m9-review-content\">\u221an \u06af\u0646\u06af \u0627\u0633\u062a \u0627\u06af\u0631 n \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0646\u0628\u0627\u0634\u062f<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645<\/div>\r\n <div class=\"m9-review-content\">\u0627\u0639\u0634\u0627\u0631 \u0645\u062a\u0646\u0627\u0648\u0628 \u0647\u0645\u06cc\u0634\u0647 \u06af\u0648\u06cc\u0627\u0633\u062a<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0641\u0631\u0645\u0648\u0644<\/div>\r\n <div class=\"m9-review-content\">\u0645\u0642\u0627\u06cc\u0633\u0647 \u0631\u0627\u062f\u06cc\u06a9\u0627\u0644<\/div>\r\n <div class=\"m9-review-formula\">\u221aa > \u221ab \u27fa a > b<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645<\/div>\r\n <div class=\"m9-review-content\">\u221e \u0647\u0645\u06cc\u0634\u0647 \u0628\u0627 \u067e\u0631\u0627\u0646\u062a\u0632 ( ) \u0645\u06cc\u200c\u0622\u06cc\u062f<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0641\u0631\u0645\u0648\u0644<\/div>\r\n <div class=\"m9-review-content\">\u0646\u0627\u0645\u0633\u0627\u0648\u06cc \u0645\u062b\u0644\u062b<\/div>\r\n <div class=\"m9-review-formula\">|a+b| \u2264 |a| + |b|<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645<\/div>\r\n <div class=\"m9-review-content\">\u06af\u0648\u06cc\u0627 + \u06af\u0646\u06af = \u06af\u0646\u06af (\u0648\u0642\u062a\u06cc \u06af\u0646\u06af \u2260 0)<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0641\u0631\u0645\u0648\u0644<\/div>\r\n <div class=\"m9-review-content\">\u062a\u0642\u0631\u06cc\u0628: \u0631\u0642\u0645 \u2265 5 \u2192 \u06af\u0631\u062f \u0628\u0627\u0644\u0627<\/div>\r\n <div class=\"m9-review-formula\">3.456 \u2248 3.5<\/div>\r\n <\/div>\r\n <div class=\"m9-review-item\">\r\n <div class=\"m9-review-label\">\u0641\u0631\u0645\u0648\u0644<\/div>\r\n <div class=\"m9-review-content\">\u0641\u0627\u0635\u0644\u0647 a \u0627\u0632 b \u0631\u0648\u06cc \u0645\u062d\u0648\u0631<\/div>\r\n <div class=\"m9-review-formula\">d = |a \u2212 b|<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"m9-glass\" style=\"padding:22px 24px;margin-top:8px;\">\r\n <div style=\"font-size:14px;font-weight:700;color:var(--m9-text-dark);margin-bottom:14px;display:flex;align-items:center;gap:8px;\">\r\n <svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#f59e0b\" stroke-width=\"2\"><polygon points=\"12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2\"\/><\/svg>\r\n \u0633\u0624\u0627\u0644\u0627\u062a \u067e\u0631\u062a\u06a9\u0631\u0627\u0631 \u0627\u0645\u062a\u062d\u0627\u0646\u06cc\r\n <\/div>\r\n <ul style=\"list-style:none;padding:0;\">\r\n <li style=\"padding:8px 0;border-bottom:1px solid rgba(79,110,247,0.1);font-size:13px;color:var(--m9-text-mid);line-height:1.7;\">\r\n \u2753 \u0622\u06cc\u0627 \u221a\u06f1\u06f2 \u06af\u0648\u06cc\u0627\u0633\u062a\u061f \u2192 \u062e\u06cc\u0631\u060c \u0686\u0648\u0646 \u06f1\u06f2 \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0646\u06cc\u0633\u062a (\u221a\u06f1\u06f2 = \u06f2\u221a\u06f3)\r\n <\/li>\r\n <li style=\"padding:8px 0;border-bottom:1px solid rgba(79,110,247,0.1);font-size:13px;color:var(--m9-text-mid);line-height:1.7;\">\r\n \u2753 \u062d\u0627\u0635\u0644 |\u2212\u06f3| + |\u06f5| \u0686\u0642\u062f\u0631 \u0627\u0633\u062a\u061f \u2192 \u06f3 + \u06f5 = \u06f8\r\n <\/li>\r\n <li style=\"padding:8px 0;border-bottom:1px solid rgba(79,110,247,0.1);font-size:13px;color:var(--m9-text-mid);line-height:1.7;\">\r\n \u2753 \u0622\u06cc\u0627 \u06f0.\u06f1\u06f2\u06f1\u06f2\u06f1\u06f2... \u06af\u0648\u06cc\u0627\u0633\u062a\u061f \u2192 \u0628\u0644\u0647\u060c \u0686\u0648\u0646 \u0645\u062a\u0646\u0627\u0648\u0628 \u0627\u0633\u062a (= \u06f4\/\u06f3\u06f3)\r\n <\/li>\r\n <li style=\"padding:8px 0;border-bottom:1px solid rgba(79,110,247,0.1);font-size:13px;color:var(--m9-text-mid);line-height:1.7;\">\r\n \u2753 \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 \u062f\u0648 \u0639\u062f\u062f \u221a\u06f5 \u0648 \u06f2 \u06a9\u062f\u0627\u0645 \u0627\u0633\u062a\u061f \u2192 \u221a\u06f5 > \u221a\u06f4 = \u06f2 \u067e\u0633 \u221a\u06f5 > \u06f2\r\n <\/li>\r\n <li style=\"padding:8px 0;font-size:13px;color:var(--m9-text-mid);line-height:1.7;\">\r\n \u2753 \u0622\u06cc\u0627 \u06f3 \u0639\u0636\u0648 \u0628\u0627\u0632\u0647 (\u06f3,\u06f7] \u0627\u0633\u062a\u061f \u2192 \u062e\u06cc\u0631\u060c \u0686\u0648\u0646 \u067e\u0631\u0627\u0646\u062a\u0632 \u0628\u0627\u0632 \u0627\u0633\u062a \u0648 \u06f3 \u0634\u0627\u0645\u0644 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f\r\n <\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/div>\r\n\r\n<\/div><!-- end #math9ch2-widget -->\r\n\r\n<script>\r\n(function(){\r\n 'use strict';\r\n\r\n \/* ======== STORAGE ======== *\/\r\n const STORAGE_KEY = 'math9ch2_progress_v1';\r\n\r\n function loadState() {\r\n try { return JSON.parse(localStorage.getItem(STORAGE_KEY)) || {}; }\r\n catch(e) { return {}; }\r\n }\r\n\r\n function saveState(s) {\r\n try { localStorage.setItem(STORAGE_KEY, JSON.stringify(s)); }\r\n catch(e) {}\r\n }\r\n\r\n let state = loadState();\r\n const TOTAL_TOPICS = 8;\r\n\r\n \/* ======== PROGRESS ======== *\/\r\n function updateProgress() {\r\n let done = 0;\r\n for(let i=0;i<TOTAL_TOPICS;i++) {\r\n if(state['topic'+i]) done++;\r\n }\r\n const pct = Math.round((done\/TOTAL_TOPICS)*100);\r\n const circ = 2*Math.PI*34;\r\n const offset = circ - (pct\/100)*circ;\r\n\r\n const fill = document.getElementById('m9RingFill');\r\n const label = document.getElementById('m9RingLabel');\r\n const bar = document.getElementById('m9ProgressBar');\r\n const txt = document.getElementById('m9ProgressText');\r\n\r\n if(fill) fill.style.strokeDashoffset = offset;\r\n if(label) label.textContent = pct+'\u066a';\r\n if(bar) bar.style.width = pct+'%';\r\n if(txt) {\r\n if(pct===0) txt.textContent = '\u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u0645\u0648\u0636\u0648\u0639\u06cc \u0631\u0627 \u062a\u06a9\u0645\u06cc\u0644 \u0646\u06a9\u0631\u062f\u0647\u200c\u0627\u06cc. \u0634\u0631\u0648\u0639 \u06a9\u0646! \ud83d\ude80';\r\n else if(pct===100) txt.textContent = '\ud83c\udf89 \u0639\u0627\u0644\u06cc! \u0647\u0645\u0647 \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u0631\u0627 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc!';\r\n else txt.textContent = done + ' \u0627\u0632 ' + TOTAL_TOPICS + ' \u0645\u0648\u0636\u0648\u0639 \u062a\u06a9\u0645\u06cc\u0644 \u0634\u062f\u0647';\r\n }\r\n }\r\n\r\n window.m9Toggle = function(el, id) {\r\n if(el.classList.contains('checked')) {\r\n el.classList.remove('checked');\r\n delete state[id];\r\n } else {\r\n el.classList.add('checked');\r\n state[id] = true;\r\n }\r\n saveState(state);\r\n updateProgress();\r\n };\r\n\r\n window.m9ResetProgress = function() {\r\n if(!confirm('\u0622\u06cc\u0627 \u0627\u0632 \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a \u0645\u0637\u0645\u0626\u0646\u06cc\u061f')) return;\r\n state = {};\r\n saveState(state);\r\n document.querySelectorAll('#math9ch2-widget .m9-check-toggle').forEach(function(el){\r\n el.classList.remove('checked');\r\n });\r\n updateProgress();\r\n };\r\n\r\n \/* ======== TABS ======== *\/\r\n window.m9SwitchTab = function(name, btn) {\r\n document.querySelectorAll('#math9ch2-widget .m9-tab-panel').forEach(function(p){ p.classList.remove('active'); });\r\n document.querySelectorAll('#math9ch2-widget .m9-tab-btn').forEach(function(b){ b.classList.remove('active'); });\r\n var panel = document.getElementById('m9-tab-'+name);\r\n if(panel) panel.classList.add('active');\r\n if(btn) btn.classList.add('active');\r\n };\r\n\r\n \/* ======== ACCORDION ======== *\/\r\n window.m9AccToggle = function(id) {\r\n var el = document.getElementById(id);\r\n if(!el) return;\r\n el.classList.toggle('open');\r\n };\r\n\r\n \/* ======== CALC TAB ======== *\/\r\n window.m9CalcTab = function(name, btn) {\r\n document.querySelectorAll('#math9ch2-widget .m9-calc-panel').forEach(function(p){ p.classList.remove('active'); });\r\n document.querySelectorAll('#math9ch2-widget .m9-calc-tab').forEach(function(b){ b.classList.remove('active'); });\r\n var p = document.getElementById('m9calc-'+name);\r\n if(p) p.classList.add('active');\r\n if(btn) btn.classList.add('active');\r\n };\r\n\r\n \/* ======== CALC FUNCS ======== *\/\r\n function showResult(id, html) {\r\n var el = document.getElementById(id);\r\n if(!el) return;\r\n el.innerHTML = html;\r\n el.classList.add('show');\r\n }\r\n\r\n window.m9CalcAbs = function() {\r\n var v = parseFloat(document.getElementById('m9AbsIn').value);\r\n if(isNaN(v)) { showResult('m9AbsResult','\u26a0\ufe0f \u0644\u0637\u0641\u0627\u064b \u06cc\u06a9 \u0639\u062f\u062f \u0648\u0627\u0631\u062f \u06a9\u0646.'); return; }\r\n var abs = Math.abs(v);\r\n showResult('m9AbsResult', '|' + v + '| = <strong>' + abs + '<\/strong><br><span style=\"font-size:12px;opacity:0.8\">\u0641\u0627\u0635\u0644\u0647 ' + v + ' \u0627\u0632 \u0635\u0641\u0631 \u0631\u0648\u06cc \u0645\u062d\u0648\u0631 = ' + abs + '<\/span>');\r\n };\r\n\r\n window.m9CalcApprox = function() {\r\n var v = parseFloat(document.getElementById('m9ApproxIn').value);\r\n var d = parseInt(document.getElementById('m9ApproxDec').value);\r\n if(isNaN(v)) { showResult('m9ApproxResult','\u26a0\ufe0f \u0644\u0637\u0641\u0627\u064b \u06cc\u06a9 \u0639\u062f\u062f \u0648\u0627\u0631\u062f \u06a9\u0646.'); return; }\r\n var r = v.toFixed(d);\r\n showResult('m9ApproxResult', v + ' \u2248 <strong>' + r + '<\/strong> (\u0628\u0627 ' + d + ' \u0631\u0642\u0645 \u0627\u0639\u0634\u0627\u0631)<br><span style=\"font-size:12px;opacity:0.8\">\u0646\u0645\u0627\u062f \u2248 \u06cc\u0639\u0646\u06cc \u00ab\u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u0628\u0631\u0627\u0628\u0631\u00bb<\/span>');\r\n };\r\n\r\n window.m9CalcCompare = function() {\r\n var a = parseFloat(document.getElementById('m9CmpA').value);\r\n var b = parseFloat(document.getElementById('m9CmpB').value);\r\n if(isNaN(a)||isNaN(b)) { showResult('m9CmpResult','\u26a0\ufe0f \u0644\u0637\u0641\u0627\u064b \u0647\u0631 \u062f\u0648 \u0639\u062f\u062f \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646.'); return; }\r\n var rel = a>b ? '>' : a<b ? '<' : '=';\r\n var msg = a>b ? a+' \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 '+b+' \u0627\u0633\u062a' : a<b ? b+' \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 '+a+' \u0627\u0633\u062a' : '\u062f\u0648 \u0639\u062f\u062f \u0628\u0631\u0627\u0628\u0631\u0646\u062f';\r\n showResult('m9CmpResult', '<strong>' + a + ' ' + rel + ' ' + b + '<\/strong><br><span style=\"font-size:12px;opacity:0.8\">' + msg + ' \u2014 \u0627\u062e\u062a\u0644\u0627\u0641: ' + Math.abs(a-b).toFixed(4) + '<\/span>');\r\n };\r\n\r\n window.m9CalcInterval = function() {\r\n var a = parseFloat(document.getElementById('m9IntA').value);\r\n var b = parseFloat(document.getElementById('m9IntB').value);\r\n var x = parseFloat(document.getElementById('m9IntX').value);\r\n var t = document.getElementById('m9IntType').value;\r\n if(isNaN(a)||isNaN(b)||isNaN(x)) { showResult('m9IntResult','\u26a0\ufe0f \u0647\u0645\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646.'); return; }\r\n if(a>=b) { showResult('m9IntResult','\u26a0\ufe0f \u0628\u0627\u06cc\u062f a < b \u0628\u0627\u0634\u062f.'); return; }\r\n var inRange = false;\r\n var notaion = '';\r\n if(t==='cc') { inRange = x>=a && x<=b; notaion='['+a+','+b+']'; }\r\n else if(t==='oo') { inRange = x>a && x<b; notaion='('+a+','+b+')'; }\r\n else if(t==='co') { inRange = x>=a && x<b; notaion='['+a+','+b+')'; }\r\n else { inRange = x>a && x<=b; notaion='('+a+','+b+']'; }\r\n var res = inRange\r\n ? '\u2705 \u0639\u062f\u062f <strong>'+x+'<\/strong> \u0639\u0636\u0648 \u0628\u0627\u0632\u0647 <strong>'+notaion+'<\/strong> \u0627\u0633\u062a.'\r\n : '\u274c \u0639\u062f\u062f <strong>'+x+'<\/strong> \u0639\u0636\u0648 \u0628\u0627\u0632\u0647 <strong>'+notaion+'<\/strong> \u0646\u06cc\u0633\u062a.';\r\n showResult('m9IntResult', res);\r\n };\r\n\r\n \/* ======== QUIZ ======== *\/\r\n var quizQuestions = [\r\n {\r\n q:'\u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u0632\u06cc\u0631 \u06af\u0646\u06af \u0627\u0633\u062a\u061f',\r\n opts:['\u06f0.\u06f5','\u221a\u06f9','\u221a\u06f7','\u06f3\/\u06f4'],\r\n ans:2,\r\n ex:'\u221a\u06f7 \u06af\u0646\u06af \u0627\u0633\u062a \u0686\u0648\u0646 \u06f7 \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0646\u06cc\u0633\u062a. \u221a\u06f9=\u06f3 \u06af\u0648\u06cc\u0627 \u0627\u0633\u062a.'\r\n },\r\n {\r\n q:'\u0642\u062f\u0631 \u0645\u0637\u0644\u0642 (\u2212\u06f8) \u0686\u0642\u062f\u0631 \u0627\u0633\u062a\u061f',\r\n opts:['\u2212\u06f8','\u06f8','\u06f6\u06f4','\u06f0'],\r\n ans:1,\r\n ex:'|\u2212\u06f8| = \u06f8 \u0632\u06cc\u0631\u0627 \u0642\u062f\u0631 \u0645\u0637\u0644\u0642 \u0647\u0645\u06cc\u0634\u0647 \u0645\u062b\u0628\u062a \u06cc\u0627 \u0635\u0641\u0631 \u0627\u0633\u062a.'\r\n },\r\n {\r\n q:'\u06a9\u062f\u0627\u0645 \u0639\u062f\u062f \u0639\u0636\u0648 \u0628\u0627\u0632\u0647 [\u06f3,\u06f7) \u0627\u0633\u062a\u061f',\r\n opts:['\u06f2','\u06f7','\u06f3','\u06f8'],\r\n ans:2,\r\n ex:'[\u06f3,\u06f7) \u0634\u0627\u0645\u0644 \u06f3 \u0647\u0633\u062a (\u06a9\u0631\u0648\u0634\u0647) \u0648\u0644\u06cc \u06f7 \u0631\u0627 \u0646\u062f\u0627\u0631\u062f (\u067e\u0631\u0627\u0646\u062a\u0632).'\r\n },\r\n {\r\n q:'\u06a9\u062f\u0627\u0645 \u0639\u0628\u0627\u0631\u062a \u062f\u0631\u0628\u0627\u0631\u0647 \u0642\u062f\u0631 \u0645\u0637\u0644\u0642 \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f',\r\n opts:['|a| \u0647\u0645\u06cc\u0634\u0647 \u0645\u062b\u0628\u062a \u0627\u0633\u062a','|a| \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u0641\u06cc \u0628\u0627\u0634\u062f','|a| = a \u0647\u0645\u06cc\u0634\u0647','|a| \u2265 0 \u0647\u0645\u06cc\u0634\u0647'],\r\n ans:3,\r\n ex:'|a| \u2265 0 \u0647\u0645\u06cc\u0634\u0647 \u062f\u0631\u0633\u062a \u0627\u0633\u062a. \u0648\u0642\u062a\u06cc a=0\u060c |a|=0 \u06a9\u0647 \u0645\u062b\u0628\u062a \u0646\u06cc\u0633\u062a.'\r\n },\r\n {\r\n q:'\u221a\u06f5 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u06f2.\u06f2 \u06a9\u062f\u0627\u0645 \u0627\u0633\u062a\u061f',\r\n opts:['\u221a\u06f5 < 2.2','\u221a\u06f5 = 2.2','\u221a\u06f5 > 2.2','\u0642\u0627\u0628\u0644 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0646\u06cc\u0633\u062a\u0646\u062f'],\r\n ans:2,\r\n ex:'\u221a\u06f5 \u2248 \u06f2.\u06f2\u06f3\u06f6 > \u06f2.\u06f2 \u067e\u0633 \u221a\u06f5 \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0633\u062a.'\r\n },\r\n {\r\n q:'\u0627\u0639\u0634\u0627\u0631 \u06f0.\u06f1\u06f2\u06f1\u06f2\u06f1\u06f2... \u0686\u0647 \u0646\u0648\u0639 \u0639\u062f\u062f\u06cc \u0627\u0633\u062a\u061f',\r\n opts:['\u06af\u0646\u06af','\u06af\u0648\u06cc\u0627','\u062d\u0642\u06cc\u0642\u06cc \u0648 \u06af\u0646\u06af','\u0635\u062d\u06cc\u062d'],\r\n ans:1,\r\n ex:'\u06f0.\u06f1\u06f2\u06f1\u06f2... \u0627\u0639\u0634\u0627\u0631 \u0645\u062a\u0646\u0627\u0648\u0628 \u0627\u0633\u062a \u0648 \u0647\u0645\u0647 \u0627\u0639\u0634\u0627\u0631\u0647\u0627\u06cc \u0645\u062a\u0646\u0627\u0648\u0628 \u06af\u0648\u06cc\u0627 \u0647\u0633\u062a\u0646\u062f (= \u06f4\/\u06f3\u06f3).'\r\n },\r\n {\r\n q:'\u06a9\u062f\u0627\u0645 \u06af\u0632\u06cc\u0646\u0647 \u062f\u0631\u0628\u0627\u0631\u0647 \u211d = Q \u222a Q\\' \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f',\r\n opts:['Q \u0648 Q\\' \u0627\u0634\u062a\u0631\u0627\u06a9 \u062f\u0627\u0631\u0646\u062f','\u0647\u0631 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u06cc\u0627 \u06af\u0648\u06cc\u0627\u0633\u062a \u06cc\u0627 \u06af\u0646\u06af','\u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc \u0641\u0642\u0637 \u0627\u0639\u062f\u0627\u062f \u0645\u062b\u0628\u062a \u0647\u0633\u062a\u0646\u062f','\u06af\u0646\u06af\u200c\u0647\u0627 \u0632\u06cc\u0631\u0645\u062c\u0645\u0648\u0639\u0647 \u06af\u0648\u06cc\u0627\u0647\u0627 \u0647\u0633\u062a\u0646\u062f'],\r\n ans:1,\r\n ex:'\u211d = Q \u222a Q\\' \u06cc\u0639\u0646\u06cc \u0647\u0631 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u062f\u0642\u06cc\u0642\u0627\u064b \u06cc\u0627 \u06af\u0648\u06cc\u0627\u0633\u062a \u06cc\u0627 \u06af\u0646\u06af (\u0646\u0647 \u0647\u0631 \u062f\u0648).'\r\n },\r\n {\r\n q:'\u0628\u0627\u0632\u0647 (\u2212\u221e, \u06f5] \u0646\u0645\u0627\u06cc\u0627\u0646\u06af\u0631 \u0686\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0633\u062a\u061f',\r\n opts:['\u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 \u06f5','\u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u06a9\u0645\u062a\u0631 \u0627\u0632 \u06f5','\u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0633\u0627\u0648\u06cc \u06cc\u0627 \u06a9\u0645\u062a\u0631 \u0627\u0632 \u06f5','\u0647\u0645\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0633\u0627\u0648\u06cc \u06cc\u0627 \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0627\u0632 \u06f5'],\r\n ans:2,\r\n ex:'(\u2212\u221e, \u06f5] \u06cc\u0639\u0646\u06cc x \u2264 \u06f5 \u2014 \u06a9\u0631\u0648\u0634\u0647 \u0628\u0633\u062a\u0647 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06f5 \u062f\u0627\u062e\u0644 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0633\u062a.'\r\n },\r\n {\r\n q:'\u03c0 \u00d7 \u06f0 \u0686\u0647 \u0646\u0648\u0639 \u0639\u062f\u062f\u06cc \u0627\u0633\u062a\u061f',\r\n opts:['\u06af\u0646\u06af','\u06af\u0648\u06cc\u0627','\u0645\u0648\u0647\u0648\u0645\u06cc','\u0646\u0627\u0645\u0639\u06cc\u0646'],\r\n ans:1,\r\n ex:'\u03c0 \u00d7 \u06f0 = \u06f0 \u0648 \u06f0 \u06cc\u06a9 \u0639\u062f\u062f \u06af\u0648\u06cc\u0627 (\u0648 \u0635\u062d\u06cc\u062d) \u0627\u0633\u062a.'\r\n },\r\n {\r\n q:'\u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0627\u0633\u062a\u061f',\r\n opts:['\u06f1\u06f2','\u06f2\u06f0','\u06f2\u06f5','\u06f3\u06f0'],\r\n ans:2,\r\n ex:'\u06f2\u06f5 = \u06f5\u00b2 \u067e\u0633 \u0645\u0631\u0628\u0639 \u06a9\u0627\u0645\u0644 \u0627\u0633\u062a. \u221a\u06f2\u06f5 = \u06f5 \u06a9\u0647 \u06af\u0648\u06cc\u0627\u0633\u062a.'\r\n }\r\n ];\r\n\r\n var qState = { idx:0, score:0, answered:false, shuffled:[] };\r\n\r\n function shuffleArray(arr) {\r\n var a = arr.slice();\r\n for(var i=a.length-1;i>0;i--){\r\n var j=Math.floor(Math.random()*(i+1));\r\n var tmp=a[i]; a[i]=a[j]; a[j]=tmp;\r\n }\r\n return a;\r\n }\r\n\r\n function renderQuestion() {\r\n var qa = qState.shuffled;\r\n if(qState.idx >= qa.length) { showQuizResult(); return; }\r\n var q = qa[qState.idx];\r\n var qTxt = document.getElementById('m9QuestionText');\r\n var opts = document.getElementById('m9Options');\r\n var fb = document.getElementById('m9QuizFeedback');\r\n var btnNext = document.getElementById('m9BtnNext');\r\n var btnRe = document.getElementById('m9BtnRestart');\r\n var badge = document.getElementById('m9ScoreBadge');\r\n var pgFill = document.getElementById('m9QuizProgressFill');\r\n\r\n if(qTxt) qTxt.textContent = (qState.idx+1)+'. '+q.q;\r\n if(fb) { fb.className='m9-quiz-feedback'; fb.textContent=''; }\r\n if(btnNext) btnNext.className='m9-btn-next';\r\n if(btnRe) btnRe.className='m9-btn-restart';\r\n if(badge) badge.textContent='\u0627\u0645\u062a\u06cc\u0627\u0632: '+qState.score+' \/ '+qState.idx;\r\n if(pgFill) pgFill.style.width=(qState.idx\/qa.length*100)+'%';\r\n\r\n if(opts) {\r\n opts.innerHTML='';\r\n var letters=['\u0627\u0644\u0641','\u0628','\u067e','\u062a'];\r\n q.opts.forEach(function(opt,i){\r\n var btn=document.createElement('button');\r\n btn.className='m9-option';\r\n btn.innerHTML='<span class=\"m9-option-letter\">'+letters[i]+'<\/span>'+opt;\r\n btn.addEventListener('click',function(){ answerQ(i); });\r\n opts.appendChild(btn);\r\n });\r\n }\r\n qState.answered=false;\r\n }\r\n\r\n function answerQ(idx) {\r\n if(qState.answered) return;\r\n qState.answered=true;\r\n var q=qState.shuffled[qState.idx];\r\n var options=document.querySelectorAll('#m9Options .m9-option');\r\n var fb=document.getElementById('m9QuizFeedback');\r\n var btnNext=document.getElementById('m9BtnNext');\r\n var btnRe=document.getElementById('m9BtnRestart');\r\n\r\n options.forEach(function(btn){ btn.disabled=true; });\r\n\r\n if(idx===q.ans) {\r\n options[idx].classList.add('correct');\r\n qState.score++;\r\n if(fb) { fb.className='m9-quiz-feedback correct'; fb.textContent='\u2705 \u062f\u0631\u0633\u062a! '+q.ex; }\r\n } else {\r\n options[idx].classList.add('wrong');\r\n options[q.ans].classList.add('correct');\r\n if(fb) { fb.className='m9-quiz-feedback wrong'; fb.textContent='\u274c \u0646\u0627\u062f\u0631\u0633\u062a. '+q.ex; }\r\n }\r\n\r\n if(btnNext) btnNext.className='m9-btn-next show';\r\n if(qState.idx>=qState.shuffled.length-1) {\r\n if(btnNext) btnNext.textContent='\u0646\u062a\u06cc\u062c\u0647 \u0646\u0647\u0627\u06cc\u06cc \ud83c\udfaf';\r\n }\r\n var badge=document.getElementById('m9ScoreBadge');\r\n if(badge) badge.textContent='\u0627\u0645\u062a\u06cc\u0627\u0632: '+qState.score+' \/ '+(qState.idx+1);\r\n }\r\n\r\n window.m9NextQ = function() {\r\n qState.idx++;\r\n if(qState.idx>=qState.shuffled.length) { showQuizResult(); }\r\n else { renderQuestion(); }\r\n };\r\n\r\n function showQuizResult() {\r\n document.getElementById('m9QuizArea').style.display='none';\r\n var res=document.getElementById('m9QuizResult');\r\n res.classList.add('show');\r\n var pct=Math.round(qState.score\/qState.shuffled.length*100);\r\n var emoji='\ud83d\ude0a'; var msg='\u062a\u0644\u0627\u0634 \u062e\u0648\u0628\u06cc \u062f\u0627\u0634\u062a\u06cc! \u062f\u0648\u0628\u0627\u0631\u0647 \u0645\u0631\u0648\u0631 \u06a9\u0646.';\r\n if(pct>=90){emoji='\ud83c\udfc6';msg='\u0639\u0627\u0644\u06cc! \u0622\u0645\u0627\u062f\u06af\u06cc \u06a9\u0627\u0645\u0644 \u0628\u0631\u0627\u06cc \u0627\u0645\u062a\u062d\u0627\u0646 \u062f\u0627\u0631\u06cc!';}\r\n else if(pct>=70){emoji='\ud83c\udf1f';msg='\u062e\u0648\u0628 \u0628\u0648\u062f! \u06a9\u0645\u06cc \u0628\u06cc\u0634\u062a\u0631 \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646.';}\r\n else if(pct>=50){emoji='\ud83d\udcda';msg='\u0646\u06cc\u0627\u0632 \u0628\u0647 \u0645\u0631\u0648\u0631 \u0628\u06cc\u0634\u062a\u0631 \u0645\u0641\u0627\u0647\u06cc\u0645 \u062f\u0627\u0631\u06cc.';}\r\n else{emoji='\ud83d\udcaa';msg='\u0628\u0627\u0632\u06af\u0631\u062f \u0628\u0647 \u0628\u062e\u0634 \u0622\u0645\u0648\u0632\u0634 \u0648 \u062f\u0648\u0628\u0627\u0631\u0647 \u0645\u0637\u0627\u0644\u0639\u0647 \u06a9\u0646!';}\r\n document.getElementById('m9ResultEmoji').textContent=emoji;\r\n document.getElementById('m9ResultScore').textContent=qState.score+' \u0627\u0632 '+qState.shuffled.length+' \u062f\u0631\u0633\u062a ('+pct+'\u066a)';\r\n document.getElementById('m9ResultMsg').textContent=msg;\r\n var pgFill=document.getElementById('m9QuizProgressFill');\r\n if(pgFill) pgFill.style.width='100%';\r\n }\r\n\r\n window.m9RestartQuiz = function() {\r\n qState.idx=0; qState.score=0; qState.answered=false;\r\n qState.shuffled=shuffleArray(quizQuestions);\r\n var area=document.getElementById('m9QuizArea');\r\n var res=document.getElementById('m9QuizResult');\r\n if(area) area.style.display='';\r\n if(res) res.classList.remove('show');\r\n renderQuestion();\r\n };\r\n\r\n \/* ======== INIT ======== *\/\r\n function init() {\r\n \/\/ Restore checkboxes\r\n document.querySelectorAll('#math9ch2-widget .m9-check-toggle').forEach(function(el){\r\n var id=el.getAttribute('data-id');\r\n if(id && state[id]) el.classList.add('checked');\r\n });\r\n updateProgress();\r\n \/\/ Init quiz\r\n qState.shuffled=shuffleArray(quizQuestions);\r\n renderQuestion();\r\n }\r\n\r\n if(document.readyState==='loading') {\r\n document.addEventListener('DOMContentLoaded', init);\r\n } else {\r\n init();\r\n }\r\n\r\n})();\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u0641\u0635\u0644 \u06f2 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 – \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 \u00b7 \u0641\u0635\u0644 \u06f2 \u211d \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644\u060c \u0645\u0631\u0648\u0631 \u0633\u0631\u06cc\u0639 \u0648 \u062a\u0645\u0631\u06cc\u0646 \u062a\u0639\u0627\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645 \u06f0\u066a \u067e\u06cc\u0634\u0631\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u0645\u0648\u0636\u0648\u0639\u06cc \u0631\u0627 \u062a\u06a9\u0645\u06cc\u0644 \u0646\u06a9\u0631\u062f\u0647\u200c\u0627\u06cc. \u0634\u0631\u0648\u0639 \u06a9\u0646! \ud83d\ude80 \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u0622\u0645\u0648\u0632\u0634 \u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc \u0627\u0628\u0632\u0627\u0631 \u06a9\u0648\u06cc\u06cc\u0632 \u0634\u0628 \u0627\u0645\u062a\u062d\u0627\u0646 \u211d \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u0686\u06cc\u0633\u062a\u061f \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc (\u211d) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1236","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.9 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u0641\u0635\u06442 - Mathsymbol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathsymbol.ir\/?page_id=1236\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0641\u0635\u06442\" \/>\n<meta property=\"og:description\" content=\"\u0641\u0635\u0644 \u06f2 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 – \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 \u00b7 \u0641\u0635\u0644 \u06f2 \u211d \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644\u060c \u0645\u0631\u0648\u0631 \u0633\u0631\u06cc\u0639 \u0648 \u062a\u0645\u0631\u06cc\u0646 \u062a\u0639\u0627\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645 \u06f0\u066a \u067e\u06cc\u0634\u0631\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u0645\u0648\u0636\u0648\u0639\u06cc \u0631\u0627 \u062a\u06a9\u0645\u06cc\u0644 \u0646\u06a9\u0631\u062f\u0647\u200c\u0627\u06cc. \u0634\u0631\u0648\u0639 \u06a9\u0646! \ud83d\ude80 \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u0622\u0645\u0648\u0632\u0634 \u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc \u0627\u0628\u0632\u0627\u0631 \u06a9\u0648\u06cc\u06cc\u0632 \u0634\u0628 \u0627\u0645\u062a\u062d\u0627\u0646 \u211d \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u0686\u06cc\u0633\u062a\u061f \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc (\u211d) […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathsymbol.ir\/?page_id=1236\" \/>\n<meta property=\"og:site_name\" content=\"Mathsymbol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-13T19:14:24+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u062f\u0642\u06cc\u0642\u0647\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/?page_id=1236\",\"url\":\"https:\\\/\\\/mathsymbol.ir\\\/?page_id=1236\",\"name\":\"\u0641\u0635\u06442 - Mathsymbol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/#website\"},\"datePublished\":\"2026-01-29T14:15:58+00:00\",\"dateModified\":\"2026-06-13T19:14:24+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/?page_id=1236#breadcrumb\"},\"inLanguage\":\"fa-IR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/mathsymbol.ir\\\/?page_id=1236\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/?page_id=1236#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/mathsymbol.ir\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0641\u0635\u06442\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/#website\",\"url\":\"https:\\\/\\\/mathsymbol.ir\\\/\",\"name\":\"Mathsymbol\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/mathsymbol.ir\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fa-IR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/#organization\",\"name\":\"Mathsymbol\",\"url\":\"https:\\\/\\\/mathsymbol.ir\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fa-IR\",\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/mathsymbol.ir\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Copilot_20260218_130420.png\",\"contentUrl\":\"https:\\\/\\\/mathsymbol.ir\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Copilot_20260218_130420.png\",\"width\":1024,\"height\":1024,\"caption\":\"Mathsymbol\"},\"image\":{\"@id\":\"https:\\\/\\\/mathsymbol.ir\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u0641\u0635\u06442 - Mathsymbol","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mathsymbol.ir\/?page_id=1236","og_locale":"fa_IR","og_type":"article","og_title":"\u0641\u0635\u06442","og_description":"\u0641\u0635\u0644 \u06f2 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 – \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 \u00b7 \u0641\u0635\u0644 \u06f2 \u211d \u0639\u062f\u062f\u0647\u0627\u06cc \u062d\u0642\u06cc\u0642\u06cc \u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644\u060c \u0645\u0631\u0648\u0631 \u0633\u0631\u06cc\u0639 \u0648 \u062a\u0645\u0631\u06cc\u0646 \u062a\u0639\u0627\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645 \u06f0\u066a \u067e\u06cc\u0634\u0631\u0641\u062a \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0647\u0646\u0648\u0632 \u0647\u06cc\u0686 \u0645\u0648\u0636\u0648\u0639\u06cc \u0631\u0627 \u062a\u06a9\u0645\u06cc\u0644 \u0646\u06a9\u0631\u062f\u0647\u200c\u0627\u06cc. \u0634\u0631\u0648\u0639 \u06a9\u0646! \ud83d\ude80 \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u0622\u0645\u0648\u0632\u0634 \u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc \u0627\u0628\u0632\u0627\u0631 \u06a9\u0648\u06cc\u06cc\u0632 \u0634\u0628 \u0627\u0645\u062a\u062d\u0627\u0646 \u211d \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u0645 \u0639\u062f\u062f \u062d\u0642\u06cc\u0642\u06cc \u0686\u06cc\u0633\u062a\u061f \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0639\u062f\u0627\u062f \u062d\u0642\u06cc\u0642\u06cc (\u211d) […]","og_url":"https:\/\/mathsymbol.ir\/?page_id=1236","og_site_name":"Mathsymbol","article_modified_time":"2026-06-13T19:14:24+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 \u062f\u0642\u06cc\u0642\u0647"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mathsymbol.ir\/?page_id=1236","url":"https:\/\/mathsymbol.ir\/?page_id=1236","name":"\u0641\u0635\u06442 - Mathsymbol","isPartOf":{"@id":"https:\/\/mathsymbol.ir\/#website"},"datePublished":"2026-01-29T14:15:58+00:00","dateModified":"2026-06-13T19:14:24+00:00","breadcrumb":{"@id":"https:\/\/mathsymbol.ir\/?page_id=1236#breadcrumb"},"inLanguage":"fa-IR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mathsymbol.ir\/?page_id=1236"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mathsymbol.ir\/?page_id=1236#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mathsymbol.ir\/"},{"@type":"ListItem","position":2,"name":"\u0641\u0635\u06442"}]},{"@type":"WebSite","@id":"https:\/\/mathsymbol.ir\/#website","url":"https:\/\/mathsymbol.ir\/","name":"Mathsymbol","description":"","publisher":{"@id":"https:\/\/mathsymbol.ir\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mathsymbol.ir\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fa-IR"},{"@type":"Organization","@id":"https:\/\/mathsymbol.ir\/#organization","name":"Mathsymbol","url":"https:\/\/mathsymbol.ir\/","logo":{"@type":"ImageObject","inLanguage":"fa-IR","@id":"https:\/\/mathsymbol.ir\/#\/schema\/logo\/image\/","url":"https:\/\/mathsymbol.ir\/wp-content\/uploads\/2025\/10\/Copilot_20260218_130420.png","contentUrl":"https:\/\/mathsymbol.ir\/wp-content\/uploads\/2025\/10\/Copilot_20260218_130420.png","width":1024,"height":1024,"caption":"Mathsymbol"},"image":{"@id":"https:\/\/mathsymbol.ir\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=\/wp\/v2\/pages\/1236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1236"}],"version-history":[{"count":34,"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=\/wp\/v2\/pages\/1236\/revisions"}],"predecessor-version":[{"id":2197,"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=\/wp\/v2\/pages\/1236\/revisions\/2197"}],"wp:attachment":[{"href":"https:\/\/mathsymbol.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}