{"id":2468,"date":"2026-07-21T14:17:03","date_gmt":"2026-07-21T10:47:03","guid":{"rendered":"https:\/\/mathsymbol.ir\/?page_id=2468"},"modified":"2026-07-21T14:18:25","modified_gmt":"2026-07-21T10:48:25","slug":"%d9%81%d8%b5%d9%84","status":"publish","type":"page","link":"https:\/\/mathsymbol.ir\/?page_id=2468","title":{"rendered":"\u0641\u0635\u0644"},"content":{"rendered":"\t\t
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\n\t\t\t\t\t\r\n\r\n\r\n\r\n\r\n\u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 | \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/title>\r\n<style>\r\n:root{\r\n --orange:#f97316;\r\n --orange-dark:#ea580c;\r\n --orange-light:#fed7aa;\r\n --orange-pale:#fff7ed;\r\n --orange-glow:rgba(249,115,22,.18);\r\n --amber:#f59e0b;\r\n --success:#059669;\r\n --danger:#dc2626;\r\n --warn-bg:#fef3c7;\r\n --warn-border:#f59e0b;\r\n --tip-bg:#ecfdf5;\r\n --tip-border:#059669;\r\n --err-bg:#fef2f2;\r\n --err-border:#dc2626;\r\n --dark:#1c1917;\r\n --text:#292524;\r\n --muted:#78716c;\r\n --card:rgba(255,255,255,.72);\r\n --card-border:rgba(249,115,22,.18);\r\n --glass:rgba(255,255,255,.55);\r\n --glass-border:rgba(249,115,22,.22);\r\n --glass-strong:rgba(255,255,255,.78);\r\n --shadow:0 20px 50px rgba(249,115,22,.10),0 4px 14px rgba(0,0,0,.04);\r\n --radius:22px;\r\n}\r\n*{box-sizing:border-box;margin:0;padding:0}\r\nhtml{scroll-behavior:smooth}\r\nbody{\r\n font-family:Tahoma,Arial,sans-serif;\r\n color:var(--text);line-height:2;\r\n min-height:100vh;\r\n background:#ffffff;\r\n background-image:\r\n radial-gradient(ellipse at 0% 0%,rgba(249,115,22,.08),transparent 40%),\r\n radial-gradient(ellipse at 100% 100%,rgba(245,158,11,.06),transparent 40%);\r\n}\r\n\r\n#app{max-width:1180px;margin:0 auto;padding:16px;position:relative;z-index:1}\r\n\r\n\/* \u2500\u2500\u2500 PROGRESS \u2500\u2500\u2500 *\/\r\n.progress-wrap{\r\n position:fixed;inset:0 0 auto 0;z-index:10000;height:5px;\r\n background:rgba(249,115,22,.12);\r\n}\r\n.progress-bar{\r\n height:100%;width:0%;\r\n background:linear-gradient(90deg,#f97316,#f59e0b,#ef4444);\r\n box-shadow:0 0 14px rgba(249,115,22,.45);\r\n transition:width .12s linear;\r\n}\r\n\r\n\/* \u2500\u2500\u2500 HERO \u2500\u2500\u2500 *\/\r\n.hero{\r\n position:relative;overflow:hidden;\r\n border-radius:28px;padding:38px 26px 30px;margin-bottom:8px;\r\n background:linear-gradient(135deg,#f97316 0%,#ea580c 40%,#dc2626 100%);\r\n color:#fff;\r\n box-shadow:0 24px 60px rgba(249,115,22,.25);\r\n}\r\n.hero::before,.hero::after{\r\n content:\"\";position:absolute;border-radius:50%;\r\n background:rgba(255,255,255,.10);pointer-events:none;\r\n}\r\n.hero::before{width:280px;height:280px;top:-90px;left:-60px}\r\n.hero::after{width:180px;height:180px;bottom:-60px;right:-30px}\r\n.hero-inner{position:relative;z-index:2}\r\n.hero .tag{\r\n display:inline-block;padding:7px 14px;border-radius:999px;\r\n background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);\r\n font-size:14px;margin-bottom:14px;\r\n}\r\n.hero h1{\r\n font-size:38px;line-height:1.3;margin-bottom:12px;\r\n}\r\n.hero p{font-size:17px;color:rgba(255,255,255,.92);max-width:880px;line-height:1.9}\r\n.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}\r\n.chip{\r\n display:inline-flex;align-items:center;gap:6px;\r\n padding:7px 13px;border-radius:999px;font-size:13px;\r\n background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);\r\n}\r\n\r\n\/* \u2500\u2500\u2500 TAB NAV \u2014 GLASS \u2500\u2500\u2500 *\/\r\n.tab-nav-wrap{\r\n position:sticky;top:0;z-index:200;\r\n padding:10px 0 8px;\r\n background:rgba(255,255,255,.68);\r\n backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);\r\n border-bottom:1px solid rgba(249,115,22,.12);\r\n box-shadow:0 4px 20px rgba(249,115,22,.06);\r\n}\r\n.tab-nav{\r\n display:flex;gap:8px;overflow-x:auto;\r\n padding:0 4px 6px;\r\n scrollbar-width:thin;\r\n scrollbar-color:rgba(249,115,22,.20) transparent;\r\n}\r\n.tab-nav::-webkit-scrollbar{height:4px}\r\n.tab-nav::-webkit-scrollbar-thumb{background:rgba(249,115,22,.20);border-radius:9px}\r\n\r\n.tab-btn{\r\n flex-shrink:0;appearance:none;cursor:pointer;\r\n padding:10px 16px;border-radius:999px;\r\n font-family:inherit;font-size:14px;font-weight:700;\r\n white-space:nowrap;transition:.3s ease;\r\n background:rgba(255,255,255,.60);\r\n backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);\r\n border:1px solid rgba(249,115,22,.14);\r\n color:var(--muted);\r\n box-shadow:0 4px 14px rgba(0,0,0,.03);\r\n}\r\n.tab-btn:hover{\r\n background:rgba(255,247,237,.90);\r\n color:var(--orange-dark);\r\n border-color:rgba(249,115,22,.30);\r\n}\r\n.tab-btn.active{\r\n background:linear-gradient(135deg,#f97316,#ea580c);\r\n color:#fff;border-color:transparent;\r\n box-shadow:0 8px 28px rgba(249,115,22,.35);\r\n}\r\n\r\n\/* \u2500\u2500\u2500 TAB PANELS \u2500\u2500\u2500 *\/\r\n.tab-panel{display:none;animation:panelIn .4s ease}\r\n.tab-panel.active{display:block}\r\n@keyframes panelIn{\r\n from{opacity:0;transform:translateY(14px)}\r\n to{opacity:1;transform:translateY(0)}\r\n}\r\n\r\n\/* \u2500\u2500\u2500 GLASS CARD \u2500\u2500\u2500 *\/\r\n.g-card{\r\n background:var(--card);\r\n backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);\r\n border:1px solid var(--card-border);\r\n border-radius:var(--radius);\r\n padding:26px 22px;margin-bottom:18px;\r\n box-shadow:var(--shadow);\r\n}\r\n.g-card h2{\r\n font-size:27px;margin-bottom:16px;line-height:1.5;\r\n color:var(--orange-dark);\r\n}\r\n.g-card h3{font-size:20px;color:var(--orange);margin:18px 0 10px}\r\n.g-card p{font-size:16px;margin-bottom:12px;color:var(--text)}\r\n.g-card ul,.g-card ol{padding-right:20px;margin:8px 0}\r\n.g-card li{margin-bottom:6px;color:#44403c}\r\n\r\n\/* \u2500\u2500\u2500 GRIDS \u2500\u2500\u2500 *\/\r\n.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}\r\n.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}\r\n\r\n.g-mini{\r\n background:var(--glass-strong);\r\n backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);\r\n border:1px solid var(--glass-border);\r\n border-radius:20px;padding:16px;\r\n box-shadow:0 10px 28px rgba(249,115,22,.06);\r\n}\r\n.g-mini h4{font-size:17px;color:var(--orange-dark);margin-bottom:10px}\r\n\r\n\/* \u2500\u2500\u2500 BOXES \u2500\u2500\u2500 *\/\r\n.g-box{\r\n margin:14px 0;padding:16px;border-radius:18px;border-right:5px solid;\r\n backdrop-filter:blur(10px);\r\n}\r\n.g-note{background:var(--orange-pale);border-color:var(--orange)}\r\n.g-warn{background:var(--err-bg);border-color:var(--danger)}\r\n.g-tip{background:var(--tip-bg);border-color:var(--success)}\r\n.g-box strong{display:inline-block;margin-bottom:4px}\r\n\r\n\/* \u2500\u2500\u2500 FORMULA \u2500\u2500\u2500 *\/\r\n.formula{\r\n direction:ltr;white-space:nowrap;overflow-x:auto;\r\n background:rgba(255,247,237,.80);\r\n border:1px solid rgba(249,115,22,.15);\r\n border-radius:18px;padding:14px 18px;font-weight:700;\r\n color:var(--dark);margin:12px 0;line-height:1.9;text-align:center;\r\n}\r\n.frac{\r\n display:inline-flex;flex-direction:column;text-align:center;\r\n vertical-align:middle;min-width:58px;margin:0 4px;line-height:1.12;\r\n}\r\n.frac>span:first-child{border-bottom:2px solid var(--orange-dark);padding:0 8px 4px}\r\n.frac>span:last-child{padding:4px 8px 0}\r\n\r\n\/* \u2500\u2500\u2500 STEPS \u2500\u2500\u2500 *\/\r\n.steps{counter-reset:step;list-style:none;padding:0}\r\n.steps li{\r\n position:relative;padding:12px 58px 12px 12px;margin-bottom:10px;\r\n background:var(--glass-strong);border:1px solid var(--glass-border);\r\n border-radius:18px;\r\n}\r\n.steps li::before{\r\n counter-increment:step;content:counter(step);\r\n position:absolute;right:14px;top:12px;width:30px;height:30px;\r\n border-radius:50%;\r\n background:linear-gradient(135deg,var(--orange),var(--orange-dark));\r\n color:#fff;display:flex;align-items:center;justify-content:center;\r\n font-weight:700;box-shadow:0 6px 18px rgba(249,115,22,.28);\r\n}\r\n\r\n\/* \u2500\u2500\u2500 TABLE \u2500\u2500\u2500 *\/\r\n.table-wrap{overflow-x:auto;margin:12px 0}\r\ntable{\r\n width:100%;min-width:660px;border-collapse:collapse;\r\n background:#fff;border-radius:16px;overflow:hidden;\r\n}\r\nth,td{\r\n border:1px solid #fde4c8;padding:14px 12px;\r\n text-align:right;vertical-align:top;\r\n}\r\nth{background:var(--orange-pale);color:var(--orange-dark);font-weight:700}\r\n\r\n\/* \u2500\u2500\u2500 EXERCISE \u2500\u2500\u2500 *\/\r\n.exercise{\r\n background:var(--glass-strong);\r\n border:1px solid var(--glass-border);\r\n border-radius:18px;padding:16px;\r\n}\r\n.exercise strong{color:var(--orange)}\r\n\r\n\/* \u2500\u2500\u2500 BUTTONS \u2500\u2500\u2500 *\/\r\n.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}\r\n.btn{\r\n appearance:none;border:none;cursor:pointer;\r\n padding:12px 18px;border-radius:14px;font-weight:700;\r\n font-family:inherit;font-size:15px;transition:.25s ease;\r\n}\r\n.btn:hover{transform:translateY(-2px)}\r\n.btn-primary{\r\n background:linear-gradient(135deg,var(--orange),var(--orange-dark));\r\n color:#fff;box-shadow:0 10px 28px rgba(249,115,22,.30);\r\n}\r\n.btn-ghost{\r\n background:rgba(255,247,237,.80);\r\n color:var(--orange-dark);\r\n border:1px solid rgba(249,115,22,.20);\r\n}\r\n\r\n\/* \u2500\u2500\u2500 ANSWERS \u2500\u2500\u2500 *\/\r\n.answers{\r\n display:none;margin-top:16px;padding:16px;\r\n background:var(--orange-pale);\r\n border:1px dashed rgba(249,115,22,.35);\r\n border-radius:18px;\r\n}\r\n.answers.show{display:block;animation:fadeIn .35s ease}\r\n@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}\r\n\r\n\/* \u2500\u2500\u2500 ACCORDION \u2500\u2500\u2500 *\/\r\n.accordion{display:grid;gap:12px}\r\n.acc-item{\r\n border:1px solid var(--glass-border);border-radius:18px;\r\n background:var(--glass-strong);overflow:hidden;\r\n}\r\n.acc-btn{\r\n width:100%;text-align:right;padding:16px;border:none;\r\n background:transparent;cursor:pointer;font-family:inherit;\r\n font-size:16px;font-weight:700;color:var(--dark);\r\n display:flex;justify-content:space-between;align-items:center;\r\n}\r\n.acc-btn .icon{\r\n font-size:22px;color:var(--orange);transition:.3s ease;\r\n display:inline-flex;align-items:center;justify-content:center;\r\n width:28px;height:28px;border-radius:50%;\r\n background:var(--orange-pale);\r\n}\r\n.acc-item.active .acc-btn .icon{transform:rotate(45deg)}\r\n.acc-content{display:none;padding:0 16px 16px;color:#44403c;line-height:2}\r\n.acc-item.active .acc-content{display:block;animation:fadeIn .3s ease}\r\n\r\n\/* \u2500\u2500\u2500 QUIZ \u2500\u2500\u2500 *\/\r\n.quiz-box{\r\n background:var(--glass-strong);\r\n border:1px solid var(--glass-border);\r\n border-radius:20px;padding:18px;margin-bottom:14px;\r\n}\r\n.quiz-box h4{font-size:17px;color:var(--orange-dark);margin-bottom:12px}\r\n.option{\r\n display:block;margin:10px 0;padding:12px 14px;\r\n border:1px solid rgba(249,115,22,.14);border-radius:14px;\r\n background:#fff;cursor:pointer;transition:.2s ease;color:var(--text);\r\n}\r\n.option:hover{border-color:rgba(249,115,22,.40);background:var(--orange-pale)}\r\n.option input{margin-left:8px;accent-color:var(--orange)}\r\n.quiz-result{\r\n margin-top:18px;padding:16px;border-radius:18px;\r\n background:var(--glass-strong);\r\n border:1px solid var(--glass-border);\r\n font-weight:700;display:none;\r\n}\r\n.score-good{color:var(--success)}\r\n.score-mid{color:var(--amber)}\r\n.score-bad{color:var(--danger)}\r\n\r\n\/* \u2500\u2500\u2500 TO TOP \u2500\u2500\u2500 *\/\r\n.to-top{\r\n position:fixed;left:18px;bottom:18px;width:52px;height:52px;\r\n border:1px solid rgba(249,115,22,.20);border-radius:50%;cursor:pointer;\r\n background:rgba(255,255,255,.80);backdrop-filter:blur(14px);\r\n color:var(--orange);font-size:22px;display:none;z-index:999;\r\n box-shadow:0 12px 30px rgba(249,115,22,.18);transition:.25s ease;\r\n}\r\n.to-top:hover{transform:translateY(-3px);background:#fff}\r\n.to-top.show{display:flex;align-items:center;justify-content:center}\r\n\r\n.highlight{color:var(--orange-dark);font-weight:700}\r\n\r\n.footer{\r\n text-align:center;color:var(--muted);font-size:13px;padding:16px 8px 30px;\r\n}\r\n\r\n@media(max-width:900px){\r\n .grid-2,.grid-3{grid-template-columns:1fr}\r\n .hero h1{font-size:30px}\r\n .hero p{font-size:15px}\r\n}\r\n@media(max-width:600px){\r\n #app{padding:10px}\r\n .hero{padding:28px 14px 22px;border-radius:22px}\r\n .hero h1{font-size:24px}\r\n .g-card{padding:18px 14px;border-radius:18px}\r\n .g-card h2{font-size:22px}\r\n}\r\n<\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"progress-wrap\"><div class=\"progress-bar\" id=\"progressBar\"><\/div><\/div>\r\n\r\n<div id=\"app\">\r\n\r\n <header class=\"hero\">\r\n <div class=\"hero-inner\">\r\n <div class=\"tag\">\ud83d\udcd9 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645 \u2022 \u0631\u06cc\u0627\u0636\u06cc \u2022 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645<\/div>\r\n <h1>\u0641\u0635\u0644 \u0647\u0641\u062a\u0645: \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/h1>\r\n <p>\u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644 \u0648 \u062a\u0639\u0627\u0645\u0644\u06cc \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645\u061b \u0634\u0627\u0645\u0644 \u062a\u0639\u0631\u06cc\u0641 \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627\u060c \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641\u060c\r\n \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646\u060c \u0636\u0631\u0628 \u0648 \u062a\u0642\u0633\u06cc\u0645\u060c \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642\u060c \u0646\u06a9\u0627\u062a \u0627\u0645\u062a\u062d\u0627\u0646\u06cc\u060c \u062a\u0645\u0631\u06cc\u0646 \u0648 \u0622\u0632\u0645\u0648\u0646 \u062a\u0633\u062a\u06cc.<\/p>\r\n <div class=\"chip-row\">\r\n <div class=\"chip\">\ud83d\udcd8 \u062a\u0639\u0631\u06cc\u0641<\/div>\r\n <div class=\"chip\">\ud83d\udeab \u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632<\/div>\r\n <div class=\"chip\">\u2702\ufe0f \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc<\/div>\r\n <div class=\"chip\">\u2716\ufe0f \u0636\u0631\u0628 \u0648 \u062a\u0642\u0633\u06cc\u0645<\/div>\r\n <div class=\"chip\">\u2795 \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642<\/div>\r\n <div class=\"chip\">\ud83c\udfaf \u0622\u0632\u0645\u0648\u0646<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/header>\r\n\r\n <!-- \u2550\u2550\u2550 GLASS TAB NAV \u2550\u2550\u2550 -->\r\n <div class=\"tab-nav-wrap\">\r\n <div class=\"tab-nav\" id=\"tabNav\">\r\n <button class=\"tab-btn active\" data-tab=\"tab-intro\">\ud83d\udcd7 \u0645\u0639\u0631\u0641\u06cc<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-def\">\ud83d\udcd8 \u062a\u0639\u0631\u06cc\u0641<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-domain\">\ud83d\udeab \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-simplify\">\u2702\ufe0f \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-muldiv\">\u2716\ufe0f \u0636\u0631\u0628 \u0648 \u062a\u0642\u0633\u06cc\u0645<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-addsub\">\u2795 \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-summary\">\ud83e\udde0 \u062e\u0644\u0627\u0635\u0647<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-examples\">\ud83d\udcdd \u0645\u062b\u0627\u0644\u200c\u0647\u0627<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-practice\">\ud83c\udfc1 \u062a\u0645\u0631\u06cc\u0646<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-quiz\">\ud83c\udfaf \u0622\u0632\u0645\u0648\u0646<\/button>\r\n <button class=\"tab-btn\" data-tab=\"tab-faq\">\ud83d\udca1 \u0646\u06a9\u0627\u062a<\/button>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: INTRO \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel active\" id=\"tab-intro\">\r\n <div class=\"g-card\">\r\n <h2>\ud83d\udcd7 \u0645\u0639\u0631\u0641\u06cc \u0641\u0635\u0644 \u0647\u0641\u062a\u0645<\/h2>\r\n <p>\u062f\u0631 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 \u0628\u0627 <span class=\"highlight\">\u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/span> \u0622\u0634\u0646\u0627 \u0645\u06cc\u200c\u0634\u0648\u06cc\u0645.\r\n \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627 \u0646\u0648\u0639\u06cc \u06a9\u0633\u0631 \u062c\u0628\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0635\u0648\u0631\u062a \u0648 \u0645\u062e\u0631\u062c \u0622\u0646 \u0686\u0646\u062f\u062c\u0645\u0644\u0647\u200c\u0627\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\r\n <ul>\r\n <li>\u062a\u0634\u062e\u06cc\u0635 \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627 \u0627\u0632 \u063a\u06cc\u0631\u06af\u0648\u06cc\u0627<\/li>\r\n <li>\u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u0646 <strong>\u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632<\/strong><\/li>\r\n <li>\u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/li>\r\n <li>\u0627\u0646\u062c\u0627\u0645 \u0686\u0647\u0627\u0631 \u0639\u0645\u0644 \u0627\u0635\u0644\u06cc \u0631\u0648\u06cc \u0622\u0646\u200c\u0647\u0627<\/li>\r\n <\/ul>\r\n <div class=\"g-box g-tip\">\r\n <strong>\ud83c\udfaf \u0647\u062f\u0641 \u0641\u0635\u0644:<\/strong>\r\n \u0628\u062a\u0648\u0627\u0646\u06cc \u0647\u0631 \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627 \u0631\u0627 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u060c \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0635\u0644\u06cc \u0631\u0627 \u062f\u0631\u0633\u062a \u0627\u0646\u062c\u0627\u0645 \u0628\u062f\u0647\u06cc.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: DEFINITION \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-def\">\r\n <div class=\"g-card\">\r\n <h2>\ud83d\udcd8 \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627 \u0686\u06cc\u0633\u062a\u061f<\/h2>\r\n <p>\u0647\u0631 \u0639\u0628\u0627\u0631\u062a \u06a9\u0633\u0631\u06cc \u06a9\u0647 <strong>\u0635\u0648\u0631\u062a<\/strong> \u0648 <strong>\u0645\u062e\u0631\u062c<\/strong> \u0622\u0646 \u0686\u0646\u062f\u062c\u0645\u0644\u0647\u200c\u0627\u06cc \u0628\u0627\u0634\u0646\u062f\u060c\r\n \u06cc\u06a9 <strong>\u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627<\/strong> \u0646\u0627\u0645 \u062f\u0627\u0631\u062f\u061b \u0628\u0647 \u0634\u0631\u0637\u06cc \u06a9\u0647 \u0645\u062e\u0631\u062c \u0635\u0641\u0631 \u0646\u0634\u0648\u062f.<\/p>\r\n\r\n <div class=\"grid-2\">\r\n <div class=\"g-mini\">\r\n <h4>\u2705 \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>x + 2<\/span><span>x - 1<\/span><\/span> ,\r\n <span class=\"frac\"><span>a\u00b2 - 4<\/span><span>a + 2<\/span><\/span> ,\r\n <span class=\"frac\"><span>3m + 1<\/span><span>m\u00b2 - 9<\/span><\/span>\r\n <\/div>\r\n <\/div>\r\n <div class=\"g-mini\">\r\n <h4>\u274c \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u06af\u0648\u06cc\u0627<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>\u221ax<\/span><span>3<\/span><\/span> ,\r\n <span class=\"frac\"><span>1<\/span><span>\u221ax + 1<\/span><\/span>\r\n <\/div>\r\n <p style=\"margin-top:8px\">\u0686\u0648\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0632\u06cc\u0631 \u0631\u0627\u062f\u06cc\u06a9\u0627\u0644 \u0622\u0645\u062f\u0647 \u0648 \u0686\u0646\u062f\u062c\u0645\u0644\u0647\u200c\u0627\u06cc \u0646\u06cc\u0633\u062a.<\/p>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"g-box g-note\">\r\n <strong>\ud83d\udd38 \u0646\u06a9\u062a\u0647:<\/strong> \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u0634\u0631\u0637: <strong>\u0645\u062e\u0631\u062c \u0628\u0631\u0627\u0628\u0631 \u0635\u0641\u0631 \u0646\u0634\u0648\u062f<\/strong>.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: DOMAIN \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-domain\">\r\n <div class=\"g-card\">\r\n <h2>\ud83d\udeab \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632<\/h2>\r\n <p>\u0645\u062e\u0631\u062c \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0648 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u0645\u062e\u0631\u062c \u0631\u0627 \u0635\u0641\u0631 \u06a9\u0646\u062f\u060c \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0627\u0633\u062a.<\/p>\r\n\r\n <div class=\"grid-3\">\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f1<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>x + 1<\/span><span>x - 4<\/span><\/span>\r\n \u21d2 x \u2260 4\r\n <\/div>\r\n <\/div>\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f2<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>x\u00b2 - 1<\/span><span>x\u00b2 - 4<\/span><\/span>\r\n \u21d2 x \u2260 2 , -2\r\n <\/div>\r\n <\/div>\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f3<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>5<\/span><span>m(m + 4)<\/span><\/span>\r\n \u21d2 m \u2260 0 , -4\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"g-box g-warn\">\r\n <strong>\u26a0\ufe0f \u062e\u06cc\u0644\u06cc \u0645\u0647\u0645:<\/strong>\r\n \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641 \u0627\u0632 \u0631\u0648\u06cc <strong>\u0639\u0628\u0627\u0631\u062a \u0627\u0648\u0644\u06cc\u0647<\/strong> \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f. \u062d\u062a\u06cc \u0628\u0639\u062f \u0627\u0632 \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u062d\u0630\u0641 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: SIMPLIFY \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-simplify\">\r\n <div class=\"g-card\">\r\n <h2>\u2702\ufe0f \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/h2>\r\n <p>\u0635\u0648\u0631\u062a \u0648 \u0645\u062e\u0631\u062c \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0648 \u0633\u067e\u0633 \u0639\u0627\u0645\u0644\u200c\u0647\u0627\u06cc \u0645\u0634\u062a\u0631\u06a9 \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\r\n\r\n <h3>\u0645\u0631\u0627\u062d\u0644 \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc<\/h3>\r\n <ol class=\"steps\">\r\n <li>\u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641 \u0631\u0627 \u0627\u0632 \u0631\u0648\u06cc \u0645\u062e\u0631\u062c \u067e\u06cc\u062f\u0627 \u06a9\u0646.<\/li>\r\n <li>\u0635\u0648\u0631\u062a \u0648 \u0645\u062e\u0631\u062c \u0631\u0627 \u0628\u0627 \u0627\u062a\u062d\u0627\u062f\u0647\u0627 \u06cc\u0627 \u0641\u0627\u06a9\u062a\u0648\u0631\u06af\u06cc\u0631\u06cc \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646.<\/li>\r\n <li>\u0641\u0642\u0637 \u0639\u0627\u0645\u0644 \u0645\u0634\u062a\u0631\u06a9 (\u0636\u0631\u0628\u06cc) \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646.<\/li>\r\n <li>\u062c\u0648\u0627\u0628 \u0646\u0647\u0627\u06cc\u06cc + \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641 \u0628\u0646\u0648\u06cc\u0633.<\/li>\r\n <\/ol>\r\n\r\n <h3>\u0645\u062b\u0627\u0644 \u06f1<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>x\u00b2 - 9<\/span><span>x - 3<\/span><\/span> =\r\n <span class=\"frac\"><span>(x-3)(x+3)<\/span><span>x-3<\/span><\/span> =\r\n x + 3 , x \u2260 3\r\n <\/div>\r\n\r\n <h3>\u0645\u062b\u0627\u0644 \u06f2<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>a\u00b2 - 4a + 4<\/span><span>a - 2<\/span><\/span> =\r\n <span class=\"frac\"><span>(a-2)(a-2)<\/span><span>a-2<\/span><\/span> =\r\n a - 2 , a \u2260 2\r\n <\/div>\r\n\r\n <div class=\"g-box g-tip\">\r\n <strong>\u2705 \u06cc\u0627\u062f\u0622\u0648\u0631\u06cc:<\/strong>\r\n \u0641\u0642\u0637 \u0648\u0642\u062a\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc \u0686\u06cc\u0632\u06cc \u062d\u0630\u0641 \u06a9\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a <strong>\u0636\u0631\u0628<\/strong> \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f.\r\n <\/div>\r\n\r\n <div class=\"g-box g-warn\">\r\n <strong>\u26d4 \u0627\u0634\u062a\u0628\u0627\u0647 \u0631\u0627\u06cc\u062c:<\/strong>\r\n \u062f\u0631 <span dir=\"ltr\">(x+3)\/(x+5)<\/span> \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0686\u06cc\u0632\u06cc \u062e\u0637 \u0632\u062f.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: MUL & DIV \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-muldiv\">\r\n <div class=\"g-card\">\r\n <h2>\u2716\ufe0f\u2797 \u0636\u0631\u0628 \u0648 \u062a\u0642\u0633\u06cc\u0645 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/h2>\r\n <p>\u0636\u0631\u0628: \u0635\u0648\u0631\u062a\u00d7\u0635\u0648\u0631\u062a\u060c \u0645\u062e\u0631\u062c\u00d7\u0645\u062e\u0631\u062c  |  \u062a\u0642\u0633\u06cc\u0645: \u0645\u0639\u06a9\u0648\u0633 \u06a9\u0646 \u0648 \u0636\u0631\u0628 \u06a9\u0646.<\/p>\r\n\r\n <h3>\u0645\u062b\u0627\u0644 \u0636\u0631\u0628<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>x<\/span><span>x+1<\/span><\/span> \u00d7\r\n <span class=\"frac\"><span>x\u00b2-1<\/span><span>x<\/span><\/span> =\r\n <span class=\"frac\"><span>x<\/span><span>x+1<\/span><\/span> \u00d7\r\n <span class=\"frac\"><span>(x-1)(x+1)<\/span><span>x<\/span><\/span> =\r\n x - 1 , x \u2260 0,-1\r\n <\/div>\r\n\r\n <h3>\u0645\u062b\u0627\u0644 \u062a\u0642\u0633\u06cc\u0645<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>a\u00b2-9<\/span><span>a\u00b2+3a<\/span><\/span> \u00f7\r\n <span class=\"frac\"><span>a-3<\/span><span>a<\/span><\/span> =\r\n <span class=\"frac\"><span>(a-3)(a+3)<\/span><span>a(a+3)<\/span><\/span> \u00d7\r\n <span class=\"frac\"><span>a<\/span><span>a-3<\/span><\/span> =\r\n 1 , a \u2260 0,-3,3\r\n <\/div>\r\n\r\n <div class=\"g-box g-note\">\r\n <strong>\ud83d\udd38 \u0646\u06a9\u062a\u0647 \u0627\u0645\u062a\u062d\u0627\u0646\u06cc:<\/strong>\r\n \u0642\u0628\u0644 \u0627\u0632 \u0636\u0631\u0628 \u062d\u062a\u0645\u0627\u064b \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u061b \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u062e\u06cc\u0644\u06cc \u0631\u0627\u062d\u062a\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: ADD & SUB \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-addsub\">\r\n <div class=\"g-card\">\r\n <h2>\u2795\u2796 \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627<\/h2>\r\n <p>\u0628\u0631\u0627\u06cc \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642 \u0628\u0627\u06cc\u062f <strong>\u0645\u062e\u0631\u062c \u0645\u0634\u062a\u0631\u06a9<\/strong> \u0628\u06af\u06cc\u0631\u06cc\u0645.<\/p>\r\n\r\n <h3>\u0645\u062e\u0631\u062c\u200c\u0647\u0627 \u0645\u0633\u0627\u0648\u06cc<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>3<\/span><span>x-2<\/span><\/span> +\r\n <span class=\"frac\"><span>5<\/span><span>x-2<\/span><\/span> =\r\n <span class=\"frac\"><span>8<\/span><span>x-2<\/span><\/span> , x \u2260 2\r\n <\/div>\r\n\r\n <h3>\u0645\u062e\u0631\u062c\u200c\u0647\u0627 \u0645\u062a\u0641\u0627\u0648\u062a<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>2<\/span><span>x+1<\/span><\/span> +\r\n <span class=\"frac\"><span>3<\/span><span>x-1<\/span><\/span> =\r\n <span class=\"frac\"><span>2(x-1)+3(x+1)<\/span><span>(x+1)(x-1)<\/span><\/span> =\r\n <span class=\"frac\"><span>5x+1<\/span><span>x\u00b2-1<\/span><\/span> , x \u2260 1,-1\r\n <\/div>\r\n\r\n <h3>\u062a\u0641\u0631\u06cc\u0642<\/h3>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>a<\/span><span>a+2<\/span><\/span> -\r\n <span class=\"frac\"><span>1<\/span><span>a+2<\/span><\/span> =\r\n <span class=\"frac\"><span>a-1<\/span><span>a+2<\/span><\/span> , a \u2260 -2\r\n <\/div>\r\n\r\n <div class=\"g-box g-warn\">\r\n <strong>\u26d4 \u0627\u0634\u062a\u0628\u0627\u0647 \u0631\u0627\u06cc\u062c:<\/strong>\r\n \u0645\u062e\u0631\u062c\u200c\u0647\u0627 \u0631\u0627 \u062c\u0645\u0639 \u0646\u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0641\u0642\u0637 \u0628\u0639\u062f \u0627\u0632 \u0645\u062e\u0631\u062c \u0645\u0634\u062a\u0631\u06a9\u060c <strong>\u0635\u0648\u0631\u062a\u200c\u0647\u0627<\/strong> \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: SUMMARY \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-summary\">\r\n <div class=\"g-card\">\r\n <h2>\ud83e\udde0 \u062e\u0644\u0627\u0635\u0647 \u0637\u0644\u0627\u06cc\u06cc \u0641\u0635\u0644 \u0647\u0641\u062a\u0645<\/h2>\r\n <div class=\"table-wrap\">\r\n <table>\r\n <thead>\r\n <tr><th>\u0645\u0648\u0636\u0648\u0639<\/th><th>\u0642\u0627\u0646\u0648\u0646 \u0627\u0635\u0644\u06cc<\/th><th>\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645<\/th><\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td>\u062a\u0639\u0631\u06cc\u0641<\/td><td>\u0635\u0648\u0631\u062a \u0648 \u0645\u062e\u0631\u062c \u0686\u0646\u062f\u062c\u0645\u0644\u0647\u200c\u0627\u06cc<\/td><td>\u0645\u062e\u0631\u062c \u2260 0<\/td><\/tr>\r\n <tr><td>\u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641<\/td><td>\u0645\u062e\u0631\u062c \u0631\u0627 \u0635\u0641\u0631 \u0646\u06a9\u0646<\/td><td>\u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0627\u0632 \u0639\u0628\u0627\u0631\u062a \u0627\u0648\u0644\u06cc\u0647<\/td><\/tr>\r\n <tr><td>\u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc<\/td><td>\u062a\u062c\u0632\u06cc\u0647 + \u062d\u0630\u0641 \u0639\u0627\u0645\u0644 \u0645\u0634\u062a\u0631\u06a9<\/td><td>\u0641\u0642\u0637 \u0639\u0627\u0645\u0644 \u0636\u0631\u0628\u06cc \u062d\u0630\u0641 \u0634\u0648\u062f<\/td><\/tr>\r\n <tr><td>\u0636\u0631\u0628<\/td><td>\u0635\u0648\u0631\u062a\u00d7\u0635\u0648\u0631\u062a \u060c \u0645\u062e\u0631\u062c\u00d7\u0645\u062e\u0631\u062c<\/td><td>\u062a\u062c\u0632\u06cc\u0647 \u0642\u0628\u0644 \u0627\u0632 \u0636\u0631\u0628<\/td><\/tr>\r\n <tr><td>\u062a\u0642\u0633\u06cc\u0645<\/td><td>\u0645\u0639\u06a9\u0648\u0633 + \u0636\u0631\u0628<\/td><td>\u0634\u0631\u0637 \u0647\u0631 \u062f\u0648 \u06a9\u0633\u0631<\/td><\/tr>\r\n <tr><td>\u062c\u0645\u0639\/\u062a\u0641\u0631\u06cc\u0642<\/td><td>\u0645\u062e\u0631\u062c \u0645\u0634\u062a\u0631\u06a9<\/td><td>\u0635\u0648\u0631\u062a\u200c\u0647\u0627 \u062a\u063a\u06cc\u06cc\u0631\u060c \u0645\u062e\u0631\u062c \u0646\u0647<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: EXAMPLES \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-examples\">\r\n <div class=\"g-card\">\r\n <h2>\ud83d\udcdd \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u062d\u0644\u200c\u0634\u062f\u0647<\/h2>\r\n <div class=\"grid-2\">\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f1: \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>2x-1<\/span><span>x\u00b2-4<\/span><\/span>\r\n \u21d2 (x-2)(x+2) \u2260 0 \u21d2 x \u2260 2,-2\r\n <\/div>\r\n <\/div>\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f2: \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>m\u00b2-16<\/span><span>m-4<\/span><\/span> =\r\n <span class=\"frac\"><span>(m-4)(m+4)<\/span><span>m-4<\/span><\/span> =\r\n m+4 , m \u2260 4\r\n <\/div>\r\n <\/div>\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f3: \u0636\u0631\u0628<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>2x<\/span><span>x\u00b2-1<\/span><\/span> \u00d7\r\n <span class=\"frac\"><span>x+1<\/span><span>4<\/span><\/span> =\r\n <span class=\"frac\"><span>x<\/span><span>2(x-1)<\/span><\/span> , x \u2260 1,-1\r\n <\/div>\r\n <\/div>\r\n <div class=\"g-mini\">\r\n <h4>\u0645\u062b\u0627\u0644 \u06f4: \u062c\u0645\u0639<\/h4>\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>1<\/span><span>x<\/span><\/span> +\r\n <span class=\"frac\"><span>1<\/span><span>y<\/span><\/span> =\r\n <span class=\"frac\"><span>x+y<\/span><span>xy<\/span><\/span> , x\u22600,y\u22600\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: PRACTICE \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-practice\">\r\n <div class=\"g-card\">\r\n <h2>\ud83c\udfc1 \u062a\u0645\u0631\u06cc\u0646 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645<\/h2>\r\n <p>\u062a\u0645\u0631\u06cc\u0646\u200c\u0647\u0627 \u0631\u0627 \u062d\u0644 \u06a9\u0646 \u0648 \u0633\u067e\u0633 \u067e\u0627\u0633\u062e \u0631\u0627 \u0628\u0628\u06cc\u0646.<\/p>\r\n\r\n <div class=\"grid-2\">\r\n <div class=\"exercise\">\r\n <strong>\u06f1)<\/strong> \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641:\r\n <div class=\"formula\"><span class=\"frac\"><span>x+2<\/span><span>x-5<\/span><\/span><\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f2)<\/strong> \u0633\u0627\u062f\u0647 \u06a9\u0646:\r\n <div class=\"formula\"><span class=\"frac\"><span>a\u00b2-9<\/span><span>a-3<\/span><\/span><\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f3)<\/strong> \u0633\u0627\u062f\u0647 \u06a9\u0646:\r\n <div class=\"formula\"><span class=\"frac\"><span>m\u00b2-4m+4<\/span><span>m-2<\/span><\/span><\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f4)<\/strong> \u0636\u0631\u0628:\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>2x<\/span><span>x\u00b2-1<\/span><\/span> \u00d7\r\n <span class=\"frac\"><span>x+1<\/span><span>4<\/span><\/span>\r\n <\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f5)<\/strong> \u062a\u0642\u0633\u06cc\u0645:\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>m\u00b2-16<\/span><span>m\u00b2+4m<\/span><\/span> \u00f7\r\n <span class=\"frac\"><span>m-4<\/span><span>m<\/span><\/span>\r\n <\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f6)<\/strong> \u062c\u0645\u0639:\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>3<\/span><span>a+1<\/span><\/span> +\r\n <span class=\"frac\"><span>1<\/span><span>a-1<\/span><\/span>\r\n <\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f7)<\/strong> \u062a\u0641\u0631\u06cc\u0642:\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>b<\/span><span>b-2<\/span><\/span> -\r\n <span class=\"frac\"><span>2<\/span><span>b-2<\/span><\/span>\r\n <\/div>\r\n <\/div>\r\n <div class=\"exercise\">\r\n <strong>\u06f8)<\/strong> \u062c\u0645\u0639:\r\n <div class=\"formula\">\r\n <span class=\"frac\"><span>1<\/span><span>x<\/span><\/span> +\r\n <span class=\"frac\"><span>2<\/span><span>x<\/span><\/span>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"btn-row\">\r\n <button class=\"btn btn-primary\" id=\"toggleAnswers\">\ud83d\udd0d \u0646\u0645\u0627\u06cc\u0634 \u067e\u0627\u0633\u062e\u200c\u0647\u0627<\/button>\r\n <button class=\"btn btn-ghost\" id=\"printPage\">\ud83d\udda8\ufe0f \u0686\u0627\u067e \/ PDF<\/button>\r\n <\/div>\r\n\r\n <div class=\"answers\" id=\"answersBox\">\r\n <strong>\u067e\u0627\u0633\u062e \u062a\u0645\u0631\u06cc\u0646\u200c\u0647\u0627:<\/strong>\r\n <ol>\r\n <li>x \u2260 5<\/li>\r\n <li>a + 3 \u060c \u0634\u0631\u0637 a \u2260 3<\/li>\r\n <li>m - 2 \u060c \u0634\u0631\u0637 m \u2260 2<\/li>\r\n <li>x \/ [2(x-1)] \u060c \u0634\u0631\u0637 x \u2260 1,-1<\/li>\r\n <li>1 \u060c \u0634\u0631\u0637 m \u2260 0,-4,4<\/li>\r\n <li>(4a-2) \/ (a\u00b2-1) \u060c \u0634\u0631\u0637 a \u2260 1,-1<\/li>\r\n <li>1 \u060c \u0634\u0631\u0637 b \u2260 2<\/li>\r\n <li>3\/x \u060c \u0634\u0631\u0637 x \u2260 0<\/li>\r\n <\/ol>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: QUIZ \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-quiz\">\r\n <div class=\"g-card\">\r\n <h2>\ud83c\udfaf \u0622\u0632\u0645\u0648\u0646 \u062a\u0633\u062a\u06cc \u0641\u0635\u0644 \u0647\u0641\u062a\u0645<\/h2>\r\n <p>\u06af\u0632\u06cc\u0646\u0647 \u062f\u0631\u0633\u062a \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646 \u0648 \u0646\u0645\u0631\u0647\u200c\u0627\u062a \u0631\u0627 \u0628\u0628\u06cc\u0646.<\/p>\r\n\r\n <div class=\"quiz-box\" data-answer=\"2\">\r\n <h4>\u06f1) \u06a9\u062f\u0627\u0645\u200c\u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627\u0633\u062a\u061f<\/h4>\r\n <label class=\"option\"><input type=\"radio\" name=\"q1\" value=\"1\"> \u221ax \/ 2<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q1\" value=\"2\"> (x+1) \/ (x-3)<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q1\" value=\"3\"> 1 \/ (\u221ax+1)<\/label>\r\n <\/div>\r\n\r\n <div class=\"quiz-box\" data-answer=\"3\">\r\n <h4>\u06f2) \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641 (x+2)\/(x\u00b2-9) \u0686\u06cc\u0633\u062a\u061f<\/h4>\r\n <label class=\"option\"><input type=\"radio\" name=\"q2\" value=\"1\"> x \u2260 0<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q2\" value=\"2\"> x \u2260 9<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q2\" value=\"3\"> x \u2260 3 , -3<\/label>\r\n <\/div>\r\n\r\n <div class=\"quiz-box\" data-answer=\"1\">\r\n <h4>\u06f3) \u0639\u0628\u0627\u0631\u062a (x\u00b2-4)\/(x-2) \u067e\u0633 \u0627\u0632 \u0633\u0627\u062f\u0647 \u0634\u062f\u0646:<\/h4>\r\n <label class=\"option\"><input type=\"radio\" name=\"q3\" value=\"1\"> x + 2<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q3\" value=\"2\"> x - 2<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q3\" value=\"3\"> 2<\/label>\r\n <\/div>\r\n\r\n <div class=\"quiz-box\" data-answer=\"2\">\r\n <h4>\u06f4) \u062f\u0631 \u062a\u0642\u0633\u06cc\u0645 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627:<\/h4>\r\n <label class=\"option\"><input type=\"radio\" name=\"q4\" value=\"1\"> \u0645\u062e\u0631\u062c\u200c\u0647\u0627 \u0631\u0627 \u062c\u0645\u0639 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q4\" value=\"2\"> \u0645\u0639\u06a9\u0648\u0633 + \u0636\u0631\u0628<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q4\" value=\"3\"> \u0635\u0648\u0631\u062a\u200c\u0647\u0627 \u0631\u0627 \u062a\u0641\u0631\u06cc\u0642 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645<\/label>\r\n <\/div>\r\n\r\n <div class=\"quiz-box\" data-answer=\"3\">\r\n <h4>\u06f5) \u062d\u0627\u0635\u0644 1\/x + 2\/x \u06a9\u062f\u0627\u0645 \u0627\u0633\u062a\u061f<\/h4>\r\n <label class=\"option\"><input type=\"radio\" name=\"q5\" value=\"1\"> 3\/x\u00b2<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q5\" value=\"2\"> 2\/3x<\/label>\r\n <label class=\"option\"><input type=\"radio\" name=\"q5\" value=\"3\"> 3\/x<\/label>\r\n <\/div>\r\n\r\n <div class=\"btn-row\">\r\n <button class=\"btn btn-primary\" id=\"checkQuiz\">\ud83d\udcca \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0645\u0631\u0647<\/button>\r\n <button class=\"btn btn-ghost\" id=\"resetQuiz\">\ud83d\uddd1\ufe0f \u067e\u0627\u06a9 \u06a9\u0631\u062f\u0646<\/button>\r\n <\/div>\r\n\r\n <div class=\"quiz-result\" id=\"quizResult\"><\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550 TAB: FAQ \u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\r\n <div class=\"tab-panel\" id=\"tab-faq\">\r\n <div class=\"g-card\">\r\n <h2>\ud83d\udca1 \u0646\u06a9\u0627\u062a \u0645\u0647\u0645 \u0648 \u0633\u0648\u0627\u0644\u0627\u062a \u067e\u0631\u062a\u06a9\u0631\u0627\u0631<\/h2>\r\n\r\n <div class=\"accordion\">\r\n <div class=\"acc-item\">\r\n <button class=\"acc-btn\">\u0686\u0631\u0627 \u0628\u0639\u062f \u0633\u0627\u062f\u0647 \u0634\u062f\u0646\u060c \u0628\u0639\u0636\u06cc \u0645\u0642\u062f\u0627\u0631\u0647\u0627 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0647\u0633\u062a\u0646\u062f\u061f <span class=\"icon\">+<\/span><\/button>\r\n <div class=\"acc-content\">\r\n \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641 \u0627\u0632 \u0631\u0648\u06cc \u0639\u0628\u0627\u0631\u062a \u0627\u0648\u0644\u06cc\u0647 \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f. \u0627\u06af\u0631 \u0645\u062e\u0631\u062c \u0627\u0648\u0644\u06cc\u0647 \u0628\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631\u06cc \u0635\u0641\u0631 \u0634\u0648\u062f\u060c\r\n \u0622\u0646 \u0645\u0642\u062f\u0627\u0631 \u0647\u0645\u06cc\u0634\u0647 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0627\u0633\u062a\u061b \u062d\u062a\u06cc \u0627\u06af\u0631 \u062f\u0631 \u0641\u0631\u0645 \u0633\u0627\u062f\u0647\u200c\u0634\u062f\u0647 \u062f\u06cc\u062f\u0647 \u0646\u0634\u0648\u062f.\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"acc-item\">\r\n <button class=\"acc-btn\">\u0686\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062e\u0637 \u0632\u062f\u061f <span class=\"icon\">+<\/span><\/button>\r\n <div class=\"acc-content\">\r\n \u0641\u0642\u0637 \u0639\u0627\u0645\u0644\u200c\u0647\u0627\u06cc \u0645\u0634\u062a\u0631\u06a9 \u0636\u0631\u0628\u06cc. \u062f\u0631 <span dir=\"ltr\">(x-3)(x+2)\/(x-3)<\/span> \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\r\n <span dir=\"ltr\">(x-3)<\/span> \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0631\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 <span dir=\"ltr\">(x+3)\/(x+5)<\/span> \u062e\u06cc\u0631.\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"acc-item\">\r\n <button class=\"acc-btn\">\u0627\u0648\u0644 \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 \u06cc\u0627 \u0627\u0648\u0644 \u0645\u062e\u0631\u062c \u0645\u0634\u062a\u0631\u06a9 \u0628\u06af\u06cc\u0631\u06cc\u0645\u061f <span class=\"icon\">+<\/span><\/button>\r\n <div class=\"acc-content\">\r\n \u0627\u06af\u0631 \u0639\u0628\u0627\u0631\u062a\u06cc \u0633\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0627\u0648\u0644 \u0622\u0646 \u0631\u0627 \u0633\u0627\u062f\u0647 \u06a9\u0646 \u062a\u0627 \u0627\u062f\u0627\u0645\u0647 \u06a9\u0627\u0631 \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631 \u0634\u0648\u062f.\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"acc-item\">\r\n <button class=\"acc-btn\">\u0628\u0632\u0631\u06af\u200c\u062a\u0631\u06cc\u0646 \u0627\u0634\u062a\u0628\u0627\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u06a9\u062f\u0627\u0645\u0646\u062f\u061f <span class=\"icon\">+<\/span><\/button>\r\n <div class=\"acc-content\">\r\n <ul>\r\n <li>\u0641\u0631\u0627\u0645\u0648\u0634 \u06a9\u0631\u062f\u0646 \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641<\/li>\r\n <li>\u062d\u0630\u0641 \u062c\u0645\u0644\u0647\u200c\u0647\u0627 \u0628\u0647 \u062c\u0627\u06cc \u0639\u0627\u0645\u0644\u200c\u0647\u0627<\/li>\r\n <li>\u062c\u0645\u0639 \u06a9\u0631\u062f\u0646 \u0645\u062e\u0631\u062c\u200c\u0647\u0627 \u062f\u0631 \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"footer\">\r\n \u0641\u0627\u06cc\u0644 \u06a9\u0627\u0645\u0644 HTML+CSS+JS \u2014 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 \u2014 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627 \u2014 \u062a\u0645 \u0646\u0627\u0631\u0646\u062c\u06cc \u2014 \u0633\u0627\u0632\u06af\u0627\u0631 \u0628\u0627 \u0648\u0631\u062f\u067e\u0631\u0633\r\n <\/div>\r\n<\/div>\r\n\r\n<button class=\"to-top\" id=\"toTop\" aria-label=\"\u0628\u0627\u0644\u0627\">\u2191<\/button>\r\n\r\n<script>\r\n(function(){\r\n\r\n \/* \u2500\u2500\u2500 TAB SYSTEM \u2500\u2500\u2500 *\/\r\n var tabBtns=document.querySelectorAll('.tab-btn');\r\n var tabPanels=document.querySelectorAll('.tab-panel');\r\n\r\n tabBtns.forEach(function(btn){\r\n btn.addEventListener('click',function(){\r\n var target=btn.getAttribute('data-tab');\r\n\r\n tabBtns.forEach(function(b){b.classList.remove('active')});\r\n btn.classList.add('active');\r\n\r\n tabPanels.forEach(function(p){p.classList.remove('active')});\r\n document.getElementById(target).classList.add('active');\r\n\r\n \/* scroll nav into view *\/\r\n btn.scrollIntoView({behavior:'smooth',block:'nearest',inline:'center'});\r\n\r\n \/* scroll page to top of content *\/\r\n var navWrap=document.querySelector('.tab-nav-wrap');\r\n window.scrollTo({top:navWrap.offsetTop + navWrap.offsetHeight - 10,behavior:'smooth'});\r\n });\r\n });\r\n\r\n \/* \u2500\u2500\u2500 PROGRESS BAR \u2500\u2500\u2500 *\/\r\n var progressBar=document.getElementById('progressBar');\r\n var toTop=document.getElementById('toTop');\r\n\r\n function updateProgress(){\r\n var scrollTop=window.scrollY||document.documentElement.scrollTop;\r\n var docHeight=document.documentElement.scrollHeight-window.innerHeight;\r\n var pct=docHeight>0?(scrollTop\/docHeight)*100:0;\r\n progressBar.style.width=pct+'%';\r\n if(scrollTop>300){toTop.classList.add('show')}\r\n else{toTop.classList.remove('show')}\r\n }\r\n window.addEventListener('scroll',updateProgress);\r\n window.addEventListener('load',updateProgress);\r\n\r\n \/* \u2500\u2500\u2500 TO TOP \u2500\u2500\u2500 *\/\r\n toTop.addEventListener('click',function(){\r\n window.scrollTo({top:0,behavior:'smooth'});\r\n });\r\n\r\n \/* \u2500\u2500\u2500 TOGGLE ANSWERS \u2500\u2500\u2500 *\/\r\n var toggleBtn=document.getElementById('toggleAnswers');\r\n var answersBox=document.getElementById('answersBox');\r\n toggleBtn.addEventListener('click',function(){\r\n answersBox.classList.toggle('show');\r\n toggleBtn.textContent=answersBox.classList.contains('show')\r\n ?'\ud83d\ude48 \u0645\u062e\u0641\u06cc \u06a9\u0631\u062f\u0646 \u067e\u0627\u0633\u062e\u200c\u0647\u0627':'\ud83d\udd0d \u0646\u0645\u0627\u06cc\u0634 \u067e\u0627\u0633\u062e\u200c\u0647\u0627';\r\n });\r\n\r\n \/* \u2500\u2500\u2500 PRINT \u2500\u2500\u2500 *\/\r\n document.getElementById('printPage').addEventListener('click',function(){\r\n \/* show all tabs for print *\/\r\n tabPanels.forEach(function(p){p.style.display='block'});\r\n window.print();\r\n \/* restore tabs after print *\/\r\n tabPanels.forEach(function(p){p.style.display=''});\r\n });\r\n\r\n \/* \u2500\u2500\u2500 ACCORDION \u2500\u2500\u2500 *\/\r\n document.querySelectorAll('.acc-item').forEach(function(item){\r\n item.querySelector('.acc-btn').addEventListener('click',function(){\r\n item.classList.toggle('active');\r\n });\r\n });\r\n\r\n \/* \u2500\u2500\u2500 QUIZ \u2500\u2500\u2500 *\/\r\n var checkQuizBtn=document.getElementById('checkQuiz');\r\n var resetQuizBtn=document.getElementById('resetQuiz');\r\n var quizResult=document.getElementById('quizResult');\r\n\r\n checkQuizBtn.addEventListener('click',function(){\r\n var quizBoxes=document.querySelectorAll('.quiz-box');\r\n var score=0,answered=0,total=quizBoxes.length;\r\n\r\n quizBoxes.forEach(function(box){\r\n var correct=box.getAttribute('data-answer');\r\n var selected=box.querySelector('input[type=\"radio\"]:checked');\r\n\r\n box.querySelectorAll('.option').forEach(function(opt){\r\n opt.style.borderColor='rgba(249,115,22,.14)';\r\n opt.style.background='#fff';\r\n });\r\n\r\n if(selected){\r\n answered++;\r\n var selLabel=selected.closest('.option');\r\n var correctLabel=box.querySelector('input[value=\"'+correct+'\"]').closest('.option');\r\n\r\n if(selected.value===correct){\r\n score++;\r\n selLabel.style.borderColor='#059669';\r\n selLabel.style.background='#ecfdf5';\r\n }else{\r\n selLabel.style.borderColor='#dc2626';\r\n selLabel.style.background='#fef2f2';\r\n correctLabel.style.borderColor='#059669';\r\n correctLabel.style.background='#ecfdf5';\r\n }\r\n }\r\n });\r\n\r\n var cls=score>=4?'score-good':score>=2?'score-mid':'score-bad';\r\n quizResult.style.display='block';\r\n quizResult.innerHTML=\r\n '\u0646\u0645\u0631\u0647 \u0634\u0645\u0627: <span class=\"'+cls+'\">'+score+' \u0627\u0632 '+total+'<\/span><br>'+\r\n '\u062a\u0639\u062f\u0627\u062f \u0633\u0648\u0627\u0644\u0627\u062a \u067e\u0627\u0633\u062e\u200c\u062f\u0627\u062f\u0647\u200c\u0634\u062f\u0647: '+answered+' \u0627\u0632 '+total;\r\n });\r\n\r\n resetQuizBtn.addEventListener('click',function(){\r\n document.querySelectorAll('.quiz-box input[type=\"radio\"]').forEach(function(r){r.checked=false});\r\n document.querySelectorAll('.quiz-box .option').forEach(function(opt){\r\n opt.style.borderColor='rgba(249,115,22,.14)';\r\n opt.style.background='#fff';\r\n });\r\n quizResult.style.display='none';\r\n quizResult.innerHTML='';\r\n });\r\n\r\n \/* \u2500\u2500\u2500 KEYBOARD NAV \u2500\u2500\u2500 *\/\r\n document.addEventListener('keydown',function(e){\r\n var activeIndex=-1;\r\n tabBtns.forEach(function(b,i){if(b.classList.contains('active'))activeIndex=i});\r\n if(e.key==='ArrowLeft'&&activeIndex<tabBtns.length-1){tabBtns[activeIndex+1].click()}\r\n if(e.key==='ArrowRight'&&activeIndex>0){tabBtns[activeIndex-1].click()}\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\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 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 | \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627 \ud83d\udcd9 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645 \u2022 \u0631\u06cc\u0627\u0636\u06cc \u2022 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645: \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627 \u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644 \u0648 \u062a\u0639\u0627\u0645\u0644\u06cc \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645\u061b \u0634\u0627\u0645\u0644 \u062a\u0639\u0631\u06cc\u0641 \u0639\u0628\u0627\u0631\u062a \u06af\u0648\u06cc\u0627\u060c \u0634\u0631\u0637 \u062a\u0639\u0631\u06cc\u0641\u060c \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646\u060c \u0636\u0631\u0628 \u0648 \u062a\u0642\u0633\u06cc\u0645\u060c \u062c\u0645\u0639 \u0648 \u062a\u0641\u0631\u06cc\u0642\u060c \u0646\u06a9\u0627\u062a \u0627\u0645\u062a\u062d\u0627\u0646\u06cc\u060c \u062a\u0645\u0631\u06cc\u0646 \u0648 \u0622\u0632\u0645\u0648\u0646 \u062a\u0633\u062a\u06cc. \ud83d\udcd8 \u062a\u0639\u0631\u06cc\u0641 \ud83d\udeab \u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u2702\ufe0f \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u2716\ufe0f […]<\/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-2468","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\u0644 - 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=2468\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0641\u0635\u0644\" \/>\n<meta property=\"og:description\" content=\"\u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645 | \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627 \ud83d\udcd9 \u067e\u0627\u06cc\u0647 \u0646\u0647\u0645 \u2022 \u0631\u06cc\u0627\u0636\u06cc \u2022 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0641\u0635\u0644 \u0647\u0641\u062a\u0645: \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u06af\u0648\u06cc\u0627 \u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0645\u0644 \u0648 \u062a\u0639\u0627\u0645\u0644\u06cc \u0641\u0635\u0644 \u0647\u0641\u062a\u0645 \u0631\u06cc\u0627\u0636\u06cc \u0646\u0647\u0645\u061b \u0634\u0627\u0645\u0644 \u062a\u0639\u0631\u06cc\u0641 \u0639\u0628\u0627\u0631\u062a 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