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理科报名中

第五届全国大学生奥林匹克数学竞赛(秋季赛)

.sk-rich-doc{container-type:inline-size;container-name:sk-rich-doc;overflow-x:hidden;max-width:100%;width:100%;min-width:0;box-sizing:border-box;}

竞赛类别
理科
报名时间
2026.08.25-2026.10.17
比赛时间
2026.10.17-2026.10.17
报名截止
2026.10.17

竞赛通知

.sk-rich-doc{container-type:inline-size;container-name:sk-rich-doc;overflow-x:hidden;max-width:100%;width:100%;min-width:0;box-sizing:border-box;}

.sk-rich-doc *,.sk-rich-doc *::before,.sk-rich-doc *::after{box-sizing:border-box;}

.sk-rich-doc{--primary:#0a1f4d;--primary-deep:#061638;--accent:#c89b3c;--accent-soft:#e8c87a;--ink:#0f172a;--ink-2:#334155;--muted:#64748b;--line:#e5e7eb;--line-2:#eef2f7;--bg:#ffffff;--bg-soft:#f7f9fc;--gold-grad:linear-gradient(135deg,#d4a93a 0%, #f1d27a 45%, #c89b3c 100%);}

.sk-rich-doc *{box-sizing:border-box;margin:0;padding:0}

.sk-rich-doc{scroll-behavior:smooth}

.sk-rich-doc{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.6;font-size:16px;background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden;-webkit-text-size-adjust:100%;text-size-adjust:100%;}

.sk-rich-doc img{max-width:100%;height:auto;display:block}

.sk-rich-doc a{color:inherit;text-decoration:none}

.sk-rich-doc .container{max-width:100%;margin:0 auto;padding:0 28px}

.sk-rich-doc section{padding:56px 0;border-top:1px solid var(--line-2)}

.sk-rich-doc section:nth-of-type(odd){background:var(--bg)}

.sk-rich-doc section:nth-of-type(even){background:var(--bg-soft)}

.sk-rich-doc .section-head{max-width:760px;margin:0 auto 32px;text-align:center}

.sk-rich-doc .section-head .eyebrow{display:inline-block;font-size:0.8125rem;letter-spacing:2px;color:var(--accent);font-weight:600;margin-bottom:8px;text-transform:uppercase;}

.sk-rich-doc .section-head h2{font-size:2.125rem;font-weight:700;color:var(--primary);letter-spacing:1px;line-height:1.3;}

.sk-rich-doc .section-head p{margin-top:12px;color:var(--muted);font-size:0.9375rem;}

.sk-rich-doc .about-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}

.sk-rich-doc .about-text p{color:var(--ink-2);font-size:0.9375rem;margin-bottom:12px}

.sk-rich-doc .about-text p+p{margin-top:6px}

.sk-rich-doc .about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px;}

.sk-rich-doc .stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:transform .2s,box-shadow .2s;}

.sk-rich-doc .stat:hover{transform:translateY(-2px);box-shadow:0 18px 38px -20px rgba(10,31,77,.25)}

.sk-rich-doc .stat .num{font-size:1.875rem;font-weight:700;color:var(--primary);font-family:"Times New Roman",serif;letter-spacing:.5px;line-height:1.4;}

.sk-rich-doc .stat .num span{font-size:1rem;color:var(--accent);margin-left:4px}

.sk-rich-doc .stat .label{font-size:0.8125rem;color:var(--muted);margin-top:4px;letter-spacing:1px}

.sk-rich-doc .highlights{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

.sk-rich-doc .hl{border-radius:16px;background:#fff;padding:22px 20px;border:1px solid var(--line);transition:all .25s;position:relative;overflow:hidden;}

.sk-rich-doc .hl::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--gold-grad);transition:height .35s;}

.sk-rich-doc .hl:hover{transform:translateY(-4px);box-shadow:0 22px 50px -28px rgba(10,31,77,.3);border-color:transparent}

.sk-rich-doc .hl:hover::before{height:100%}

.sk-rich-doc .hl .ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#f6e9c4 0%, #f0d488 100%);display:grid;place-items:center;color:#8a6314;font-size:1.25rem;font-weight:700;font-family:"Times New Roman",serif;margin-bottom:12px;}

.sk-rich-doc .hl h3{font-size:1.0625rem;color:var(--primary);margin-bottom:8px;font-weight:600}

.sk-rich-doc .hl p{font-size:0.875rem;color:var(--muted);line-height:1.6}

.sk-rich-doc .table-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 24px 50px -32px rgba(10,31,77,.25);}

.sk-rich-doc .table-head{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--line);background:#fbfcfe;}

.sk-rich-doc .table-head h3{font-size:1.125rem;color:var(--primary);font-weight:600}

.sk-rich-doc .table-head .desc{font-size:0.8125rem;color:var(--muted);margin-top:2px}

.sk-rich-doc .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

.sk-rich-doc table{width:100%;max-width:100%;border-collapse:collapse;min-width:640px}

.sk-rich-doc thead th{background:#f1f5fb;color:var(--primary);font-weight:600;font-size:0.875rem;text-align:left;padding:12px 18px;letter-spacing:.5px;border-bottom:1px solid var(--line-2);}

.sk-rich-doc tbody td{padding:12px 18px;font-size:0.90625rem;color:var(--ink-2);border-bottom:1px solid var(--line-2);vertical-align:middle;}

.sk-rich-doc tbody tr:last-child td{border-bottom:none}

.sk-rich-doc tbody tr:hover{background:#fafbfd}

.sk-rich-doc .cell-num{font-weight:700;color:var(--primary);font-family:"Times New Roman",serif}

.sk-rich-doc .tag-cell{display:inline-block;font-size:0.75rem;padding:3px 10px;border-radius:6px;background:#fff5e0;color:#8a6314;border:1px solid #f2d896;}

.sk-rich-doc .tag-cell.green{background:#e7f6ee;color:#0d7a44;border-color:#aedcc4}

.sk-rich-doc .tag-cell.blue{background:#e8f0fb;color:#1d4d8f;border-color:#b8cce8}

.sk-rich-doc .tag-cell.rose{background:#fde8ec;color:#a02343;border-color:#f0bbc8}

.sk-rich-doc .split{display:grid;grid-template-columns:1fr 1fr;gap:24px}

.sk-rich-doc .split-card{background:#fff;border-radius:18px;padding:24px 24px;border:1px solid var(--line);position:relative;}

.sk-rich-doc .split-card h3{font-size:1.25rem;color:var(--primary);margin-bottom:12px;font-weight:600;display:flex;align-items:center;gap:12px;}

.sk-rich-doc .split-card h3 .bar{width:32px;height:3px;background:var(--gold-grad);border-radius:2px;}

.sk-rich-doc .split-card ul{list-style:none;margin-top:4px}

.sk-rich-doc .split-card li{padding:10px 0;border-bottom:1px dashed var(--line);display:flex;gap:12px;align-items:flex-start;}

.sk-rich-doc .split-card li:last-child{border-bottom:none}

.sk-rich-doc .split-card li .dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:8px;}

.sk-rich-doc .split-card li strong{display:block;color:var(--primary);font-size:0.9375rem;margin-bottom:3px}

.sk-rich-doc .split-card li span{font-size:0.875rem;color:var(--ink-2);line-height:1.6}

.sk-rich-doc .timeline{position:relative;max-width:100%;margin:0 auto;padding-left:32px}

.sk-rich-doc .timeline::before{content:"";position:absolute;left:12px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--accent) 0%,var(--accent-soft) 100%);}

.sk-rich-doc .tl-item{position:relative;padding:0 0 20px}

.sk-rich-doc .tl-item:last-child{padding-bottom:0}

.sk-rich-doc .tl-item::before{ content:"";position:absolute;left:-25px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 0 0 4px #fff,0 0 0 6px var(--accent-soft);}

.sk-rich-doc .tl-date{display:inline-block;font-size:0.75rem;letter-spacing:2px;color:var(--accent);font-weight:700;margin-bottom:4px;text-transform:uppercase;}

.sk-rich-doc .tl-title{font-size:1.0625rem;color:var(--primary);font-weight:600;margin-bottom:4px}

.sk-rich-doc .tl-desc{font-size:0.875rem;color:var(--muted)}

.sk-rich-doc .cert{display:flex;gap:40px;align-items:center;flex-wrap:wrap;}

.sk-rich-doc .cert-frame{flex:1 1 42%;max-width:520px;min-width:260px;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 30px 60px -28px rgba(10,31,77,.35);border:1px solid var(--line);}

.sk-rich-doc .cert-text{flex:1 1 50%;min-width:260px;}

.sk-rich-doc .cert-frame img{width:100%;height:auto;display:block}

.sk-rich-doc .cert-text h3{font-size:1.625rem;color:var(--primary);font-weight:700;margin-bottom:12px;line-height:1.35}

.sk-rich-doc .cert-text p{color:var(--ink-2);font-size:0.9375rem;margin-bottom:12px}

.sk-rich-doc .cert-points{margin-top:18px;display:grid;gap:12px}

.sk-rich-doc .cert-point{display:flex;gap:12px;align-items:flex-start}

.sk-rich-doc .cert-point .pill{flex:none;width:28px;height:28px;border-radius:50%;background:var(--gold-grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:0.875rem;font-family:"Times New Roman",serif;}

.sk-rich-doc .cert-point strong{display:block;color:var(--primary);font-size:0.9375rem;margin-bottom:2px}

.sk-rich-doc .cert-point span{font-size:0.84375rem;color:var(--muted)}

.sk-rich-doc .cta{background:linear-gradient(135deg,#0a1f4d 0%, #142a5c 60%, #1d3573 100%);color:#fff;border-radius:24px;padding:44px 40px;position:relative;overflow:hidden;}

.sk-rich-doc .cta::before{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(200,155,60,.22) 0%,transparent 70%);}

.sk-rich-doc .cta-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;position:relative}

.sk-rich-doc .cta h2{font-size:2rem;font-weight:700;letter-spacing:1px;margin-bottom:12px;line-height:1.3}

.sk-rich-doc .cta h2 em{font-style:normal;color:var(--accent-soft)}

.sk-rich-doc .cta p{font-size:0.9375rem;color:rgba(255,255,255,.78);margin-bottom:6px}

.sk-rich-doc .cta ul{list-style:none;margin-top:22px;display:grid;gap:12px}

.sk-rich-doc .cta li{display:flex;gap:14px;align-items:center;font-size:0.9375rem}

.sk-rich-doc .cta li .lab{color:var(--accent-soft);font-size:0.8125rem;letter-spacing:2px;width:84px;flex:none}

.sk-rich-doc .cta li .val{color:#fff;font-weight:600;font-size:1rem}

.sk-rich-doc .cta-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:26px;backdrop-filter:blur(10px);}

.sk-rich-doc .cta-card .price{font-size:2.75rem;font-weight:700;color:#fff;font-family:"Times New Roman",serif;letter-spacing:1px;line-height:1.3;}

.sk-rich-doc .cta-card .price small{font-size:1.125rem;color:var(--accent-soft);margin-right:6px}

.sk-rich-doc .cta-card .price-sub{font-size:0.8125rem;color:rgba(255,255,255,.6);margin-top:4px}

.sk-rich-doc .cta-card .divider{height:1px;background:rgba(255,255,255,.15);margin:16px 0}

.sk-rich-doc .cta-card .scope{font-size:0.875rem;line-height:1.7;color:rgba(255,255,255,.85)}

.sk-rich-doc .cta-card .btn{display:inline-block;margin-top:18px;padding:13px 34px;border-radius:999px;background:var(--gold-grad);color:#1a1a1a;font-weight:700;font-size:0.9375rem;letter-spacing:1px;transition:transform .2s;}

.sk-rich-doc .cta-card .btn:hover{transform:translateY(-2px)}

.sk-rich-doc footer{padding:28px 0;border-top:1px solid var(--line);background:#fff}

.sk-rich-doc .foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}

.sk-rich-doc .foot p{font-size:0.8125rem;color:var(--muted);letter-spacing:.5px;}

.sk-rich-doc .foot .links{display:flex;gap:24px}

.sk-rich-doc .foot .links a{font-size:0.8125rem;color:var(--ink-2);transition:color .2s}

.sk-rich-doc .foot .links a:hover{color:var(--accent)}

@container sk-rich-doc (max-width:780px){.sk-rich-doc section{padding:44px 0}

.sk-rich-doc .section-head h2{font-size:1.625rem}

.sk-rich-doc .about-grid, .sk-rich-doc .split, .sk-rich-doc .cta-grid{grid-template-columns:1fr;gap:24px}

.sk-rich-doc .cert{gap:28px}

.sk-rich-doc .highlights{grid-template-columns:repeat(2,1fr)}

.sk-rich-doc .cta{padding:32px 24px}

.sk-rich-doc .cta h2{font-size:1.5rem}}

@container sk-rich-doc (max-width:600px){.sk-rich-doc{overflow-x:hidden}

.sk-rich-doc .container{padding:0 14px}

.sk-rich-doc section{padding:40px 0}

.sk-rich-doc .section-head{margin-bottom:24px}

.sk-rich-doc .section-head h2{font-size:1.625rem}

.sk-rich-doc .section-head p{font-size:0.875rem;margin-top:8px}

.sk-rich-doc .section-head .eyebrow{font-size:0.75rem}

.sk-rich-doc .about-stats{gap:10px;margin-top:20px}

.sk-rich-doc .stat{padding:12px 12px}

.sk-rich-doc .stat .num{font-size:1.5rem}

.sk-rich-doc .stat .num span{font-size:0.8125rem}

.sk-rich-doc .stat .label{font-size:0.75rem}

.sk-rich-doc .highlights{grid-template-columns:1fr;gap:14px}

.sk-rich-doc .hl{padding:18px 16px}

.sk-rich-doc .hl .ico{width:42px;height:42px}

.sk-rich-doc .split{gap:16px}

.sk-rich-doc .split-card{padding:18px 16px}

.sk-rich-doc .table-card{border-radius:12px}

.sk-rich-doc .table-head{padding:12px 14px;flex-wrap:wrap;gap:8px}

.sk-rich-doc .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

.sk-rich-doc table{min-width:0;width:100%;max-width:100%}

.sk-rich-doc thead th, .sk-rich-doc tbody td{padding:10px 8px;font-size:0.8125rem;word-break:break-word;white-space:normal}

.sk-rich-doc .cert{gap:20px}

.sk-rich-doc .cert-frame{flex:1 1 100%;max-width:100%;min-width:0}

.sk-rich-doc .cert-text{flex:1 1 100%;min-width:0}

.sk-rich-doc .cert-text h3{font-size:1.375rem}

.sk-rich-doc .timeline{padding-left:26px}

.sk-rich-doc .tl-item{padding-bottom:18px}

.sk-rich-doc .tl-title{font-size:1rem}

.sk-rich-doc .cta{padding:28px 18px;border-radius:16px}

.sk-rich-doc .cta h2{font-size:1.5rem}

.sk-rich-doc .cta ul{margin-top:16px;gap:10px}

.sk-rich-doc .cta li{flex-wrap:wrap;gap:6px}

.sk-rich-doc .cta li .lab{width:auto;flex:none}

.sk-rich-doc .cta-card{padding:20px 16px}

.sk-rich-doc .cta-card .price{font-size:2.25rem}

.sk-rich-doc .foot{flex-direction:column;text-align:center;gap:10px}

.sk-rich-doc .section-head,.sk-rich-doc .section-head h2{text-align:center !important}

.sk-rich-doc .hl p{font-size:0.875rem}

.sk-rich-doc .hl p span,.sk-rich-doc .about-text p span,.sk-rich-doc .cert-text p span,.sk-rich-doc .split-card li span{font-size:inherit}}

.sk-rich-doc #samples{padding:56px 0;border-top:1px solid var(--line-2);background:var(--bg);overflow:hidden;max-width:100%;}

.sk-rich-doc #samples .samples-list{display:grid;grid-template-columns:1fr;gap:1.125rem;max-width:100%;margin:0 auto;width:100%;}

.sk-rich-doc #samples .sample-card{width:100%;max-width:100%;min-width:0;background:#fff;border:1px solid var(--line);border-radius:1rem;overflow:hidden;box-shadow:0 6px 24px -16px rgba(10,31,77,.18);transition:box-shadow .25s,transform .25s;}

.sk-rich-doc #samples .sample-card:hover{box-shadow:0 16px 36px -16px rgba(10,31,77,.28);transform:translateY(-1px);}

.sk-rich-doc #samples .sample-toggle{position:relative;display:block;width:100%;max-width:100%;min-width:0;padding:1.25rem 7.5rem 1.25rem 1.5rem;list-style:none;cursor:pointer;font:inherit;color:inherit;text-align:left;line-height:1.5;}

.sk-rich-doc #samples .sample-toggle::-webkit-details-marker{display:none;}

.sk-rich-doc #samples .sample-toggle:hover{background:#fafbfd;}

.sk-rich-doc #samples .sample-tag{display:inline-flex;align-items:center;gap:.625rem;vertical-align:middle;max-width:100%;}

.sk-rich-doc #samples .sample-tag .bar{width:2rem;height:3px;background:var(--gold-grad);border-radius:2px;flex:0 0 auto;}

.sk-rich-doc #samples .sample-tag .grp{font-size:.875rem;font-weight:700;letter-spacing:1px;white-space:nowrap;}

.sk-rich-doc #samples .sample-tag .grp.math{color:var(--primary);}

.sk-rich-doc #samples .sample-tag .grp.non{color:#1d4d8f;}

.sk-rich-doc #samples .sample-title{display:inline-block;vertical-align:middle;margin-left:1rem;max-width:100%;}

.sk-rich-doc #samples .q-num{display:inline-block;font-size:.8125rem;color:var(--muted);letter-spacing:2px;font-weight:600;}

.sk-rich-doc #samples .sample-btn{position:absolute;top:50%;right:1.5rem;transform:translateY(-50%);background:var(--gold-grad);color:#1a1a1a;padding:.5rem 1.25rem;border-radius:999px;font-size:.8125rem;font-weight:700;letter-spacing:1px;white-space:nowrap;}

.sk-rich-doc #samples .sample-btn .when-open{display:none;}

.sk-rich-doc #samples .sample-toggle:hover .sample-btn{transform:translateY(-50%) scale(1.04);}

.sk-rich-doc #samples .sample-card[open] > .sample-toggle{border-bottom:1px solid var(--line-2);}

.sk-rich-doc #samples .sample-card[open] .sample-btn{background:var(--primary);color:#fff;}

.sk-rich-doc #samples .sample-card[open] .sample-btn .when-open{display:inline;}

.sk-rich-doc #samples .sample-card[open] .sample-btn .when-closed{display:none;}

.sk-rich-doc #samples .sample-body{max-width:100%;}

.sk-rich-doc #samples .sample-question{padding:1.375rem 1.5rem .875rem;font-size:.9375rem;color:var(--ink-2);line-height:1.9;overflow-wrap:break-word;word-break:break-word;}

.sk-rich-doc #samples .sample-options{display:grid;grid-template-columns:1fr;gap:.5rem;background:var(--bg-soft);border-radius:.75rem;padding:.875rem 1.125rem;margin:0 1.5rem 1rem;max-width:100%;}

.sk-rich-doc #samples .opt{display:flex;align-items:flex-start;gap:.875rem;font-size:.9375rem;color:var(--ink-2);padding:.25rem 0;min-width:0;}

.sk-rich-doc #samples .opt-letter{flex:0 0 auto;width:1.625rem;height:1.625rem;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-weight:700;color:var(--primary);font-size:.8125rem;font-family:"Times New Roman",serif;}

.sk-rich-doc #samples .opt-text{flex:1 1 auto;min-width:0;padding-top:.1875rem;overflow-wrap:break-word;word-break:break-word;}

.sk-rich-doc #samples .sample-answer,.sk-rich-doc #samples .sample-explain{display:flex;align-items:flex-start;gap:.875rem;padding:.875rem 1.125rem;border-radius:.75rem;margin:0 1.5rem .75rem;font-size:.9375rem;line-height:1.75;max-width:100%;overflow-wrap:break-word;word-break:break-word;}

.sk-rich-doc #samples .sample-answer{background:#e7f6ee;color:#0d7a44;border:1px solid #aedcc4;}

.sk-rich-doc #samples .sample-explain{background:#fbfcfe;color:var(--ink-2);border:1px solid var(--line-2);}

.sk-rich-doc #samples .ans-tag{flex:0 0 auto;font-size:.75rem;font-weight:700;letter-spacing:1px;padding:.25rem .625rem;border-radius:.375rem;background:#fff;color:var(--primary);border:1px solid var(--line);align-self:flex-start;white-space:nowrap;}

.sk-rich-doc #samples .ans-tag.green{color:#0d7a44;border-color:#aedcc4;}

.sk-rich-doc #samples .ans-tag.gold{background:#fff5e0;color:#8a6314;border-color:#f2d896;}

.sk-rich-doc #samples .ans-text{flex:1 1 auto;min-width:0;}

.sk-rich-doc #samples .ans-text strong{font-size:1.0625rem;font-family:"Times New Roman",serif;}

@container sk-rich-doc (max-width:780px){.sk-rich-doc #samples .sample-toggle{padding:1.125rem 7rem 1.125rem 1.125rem;}

.sk-rich-doc #samples .q-num{letter-spacing:1px;}}

@container sk-rich-doc (max-width:600px){.sk-rich-doc #samples{padding:40px 0;}

.sk-rich-doc #samples .section-head{margin-bottom:1.375rem;}

.sk-rich-doc #samples .section-head h2{font-size:1.625rem;}

.sk-rich-doc #samples .section-head p{font-size:.875rem;margin-top:.5rem;}

.sk-rich-doc #samples .section-head .eyebrow{font-size:.75rem;}

.sk-rich-doc #samples .sample-toggle{padding:1rem 5.75rem 1rem 1rem;}

.sk-rich-doc #samples .sample-tag .bar{width:1.5rem;}

.sk-rich-doc #samples .sample-tag .grp{font-size:.8125rem;}

.sk-rich-doc #samples .sample-title{margin-left:.75rem;}

.sk-rich-doc #samples .q-num{font-size:.75rem;letter-spacing:1px;}

.sk-rich-doc #samples .sample-btn{right:1rem;padding:.4375rem 1rem;font-size:.75rem;}

.sk-rich-doc #samples .samples-list{gap:.875rem;}

.sk-rich-doc #samples .sample-card{border-radius:.75rem;box-shadow:0 4px 16px -10px rgba(10,31,77,.18);}

.sk-rich-doc #samples .sample-question{padding:1rem 1rem .625rem;line-height:1.8;}

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ABOUT THE COMPETITION

关于本届秋季赛

线下考场部分展示

本届赛事面向全国普通高等院校研究生、本专科学生及数学爱好者等社会人士开放报名,欢迎社会各界数学爱好者积极参与,共同投身数学科学的探索与实践,为推动数学教育进步与创新贡献力量。

50w+ 关注量

五届沉淀全平台热度攀升

2w+ 参赛选手

每年春秋两赛季

1500+ 全国高校

覆盖全国1/3双一流高校

1000+ 题库积累

多校教研打磨命题

COMPETITION HIGHLIGHTS

赛事亮点

从命题到评奖、从证书到组织权益,多维度为参赛院校与师生提供支持。

01

分组独立评奖

设 数学专业组、非数学专业组,按组别独立排序、各自评奖,确保公平公正、互不影响。

02

新增证明题型

首次设置证明题,注重理论与应用结合,全面考察学生的逻辑推理与数学表达能力。

03

师生同奖

获奖选手的指导教师(限填一位)可获"优秀指导教师"证书;组织 10 人及以上的教师另获感谢函。

04

官方宣传展示

优秀组织单位可获官方盖章致谢函,并享有专属院校宣传位,全方位展示院校风采。

SCHEDULE

赛程安排

本届秋季赛共设四场考试,报名时间即日起至 2026 年 10 月 17 日;

参赛选手只需选一场参加考试,参加多场按参赛第一场成绩计入。

比赛场次与时间

考试日均设置上午场、下午场,可在对应时段内任选连续 120 分钟作答

报名截止:2026.10.17

场次 | 考试日期 | 考试时段 | 作答方式

第一场 | 2026 年 09 月 12 日 | 08:00 — 12:00 / 16:00 — 20:00 | 考生在对应时段内任选连续 120 分钟进入线上考场

第二场 | 2026 年 10 月 17 日 | 08:00 — 12:00 / 16:00 — 20:00 | 考生在对应时段内任选连续 120 分钟进入线上考场

第三场 | 2026 年 11 月 14 日 | 08:00 - 12:00 / 16:00 - 20:00 | 考生在对应时段内任选连续 120 分钟进入线上考场

第四场 | 2026 年 12 月 19 日 | 08:00 — 12:00 / 16:00 — 20:00 | 考生在对应时段内任选连续 120 分钟进入线上考场

每场考试结束后 15 个工作日公示获奖名单,证书将于公示后 1 周内统一邮寄。

PAPER STRUCTURE

题型与分值

试卷由客观题与主观证明题构成,注重基础、计算与逻辑推理的多维考察,总分 100 分。

试卷结构一览

数学专业组与非数学专业组采用同一试卷,分别评奖

试卷满分 100 分

题型 | 题目数量 | 单题分值 | 题型合计 | 考察方向

客观选择题 | 8 道 | 3 分 | 24 分 | 基础概念、定理应用

填空题 | 8 道 | 4 分 | 32 分 | 关键步骤、结果准确性

计算题 | 4 道 | 6 分 | 24 分 | 综合计算、过程表达规范

证明题 新增 | 2 道 | 10 分 | 20 分 | 构造论证与数学表达能力

合计 | 22 道 | — | 100 分 | 全卷作答时间建议 120 分钟

SAMPLE QUESTIONS

样题示例

各组别选择题第 8 题原貌展示 · 点击「展开」查看答案与解析

数学专业组 选择题 · 第 8 题 展开 收起

设 A 为 3 阶矩阵,λ = 2 是 A 的特征值,且 r(A − 2E) = 2,则 A 的 Jordan 标准形中属于 λ = 2 的 Jordan 块的个数为()

A 0

B 1

C 2

D 3

答案 B

解析 属于 λ 的 Jordan 块个数等于该特征值的几何重数,即解空间维数 n − r(A − λE) = 3 − 2 = 1。

非数学专业组 选择题 · 第 8 题 展开 收起

设 A、B 均为 n 阶方阵,则下列命题中错误的是()

A 若 A 可逆,则 r(AB) = r(B)

B 若 r(AB) = r(B),则 A 可逆

C r(AB) ≤ min { r(A), r(B) }

D r(A + B) ≤ r(A) + r(B)

答案 B

解析 A 正确:可逆矩阵左乘不改变秩;C、D 为矩阵秩的基本不等式,均正确。B 错误:取 A = [[1, 0], [0, 0]],B = [[1, 0], [0, 0]],则 AB = B,r(AB) = r(B) = 1,但 A 不可逆。B 项把"A 可逆"错当作 r(AB) = r(B) 成立的必要条件。

AWARDS

奖项设置

按每场参赛选手分数由高到低排序,按比例划分奖项;各组别独立评奖、互不影响。

学生奖项及比例

每位参赛选手限填一位指导教师,获奖选手的指导老师同步获得"优秀指导教师"称号

师生同奖

奖项 | 评奖要求 | 奖励设置

特等奖 | 各场参赛人数 前 10 名 | 电子版证书 + 精装版证书 + 奖杯

一等奖 | 各场参赛人数 前 15% | 电子版证书 + 纸质版证书

二等奖 | 各场参赛人数 前 16% — 30% | 电子版证书 + 纸质版证书

三等奖 | 各场参赛人数 前 31% — 50% | 电子版证书 + 纸质版证书

参赛证明 | 未获奖但按要求完成参赛 | 颁发电子版参赛证明,以资鼓励

REGISTRATION FORMAT

报名形式与参赛方式

支持院校统一组织与个人自主报名两种形式,线上线下双通道灵活选择。

报名形式

学校 / 院系 / 班级统一组织 联系赛事工作人员申请专属报名通道,通过专属通道或线下统一报名,可统一组织线上参赛、统一邮寄证书。

个人自主报名 自行登录大赛指定报名通道报名,按规定时间前往线上指定考场参赛。

比赛形式

线下集中参赛 教师或组织单位有意向组织 30 人及以上线下集中参赛,可联系组委会申请专属考场或邮寄试卷。

PRACTICE QUESTION BANK SETTINGS

练习题库设置

练习题库开放

练习题库选自历届考试原题,数学专业组和非数学专业组分开组卷;

题型包括:选择题、填空题、计算题;均以材料题展示;

转发得样卷任务

转发竞赛页面+特定文案至自己的朋友圈或qq空间,不设分组,满2小时;

反馈截图至竞赛老师处(qq:3946789815),得上届样卷PDF版;

文案内容:第五届全国大学生奥林匹克数学竞赛秋季赛火热报名,分专业 / 非专业组

CERTIFICATE

获奖证书展示

证书由数学周报社统一颁发,提供电子版与纸质版双重形态;

为确保证书公章严肃性,样图不盖章,正式证书盖章。

荣誉证书 · 师生同享

获奖选手获得由数学周报社颁发的电子版 + 纸质版证书,特等奖另获精美奖杯。每位参赛选手限填一位指导教师,获奖选手的指导老师均可获得"优秀指导教师"电子版荣誉证书。

1

电子版 + 纸质版双证 获奖选手默认获得电子版与纸质版证书,自行申领免邮邮寄送达。

2

精装版证书 + 奖杯 特等奖选手额外获颁精装版证书及奖杯。

3

电子版参赛证明 未获奖但按要求完赛者均可获得电子版参赛证明。

ECOSTOFFSET

成本弥补

出于"取之于竞赛、用之于竞赛"及"收支平衡"原则,参赛选手需每人缴纳参赛费用49元,包括但不限于大赛组织、系统技术维护、专家组出题、大赛评阅、证书制作及邮寄等费用支出,恳请参赛者谅解为盼!

退赛退费说明:①若仅剩最后一场考试,参赛者个人原因缺考,不支持退赛、退费、补考,请合理规划考试时间。②报名后已使用练习题库的,不予退赛退费。③进入正式考场产生实际参赛行为,不予退赛退费。④报名通道关闭后,不再受理所有退赛退费申请。

CONTACT INFORMATION

联系方式

官方咨询

赛事小秘书(QQ) 3946789815

赛事交流群3(QQ) 1087691856(点击跳转)

赛事交流群4(QQ) 1076861001(点击跳转)

赛事交流群5(QQ) 980907328(点击跳转)

赛事实践群1(QQ) 1084170067(点击跳转)

温馨提示

在线时间 周一到周五 10:00—18:00;周六日、节假日可留言,收假后统一回复。

重要提醒 赛事相关通知均会同步至竞赛群内,已报名的同学务必及时添加群聊,以免错过重要消息!

© 2026 第五届全国大学生奥林匹克数学竞赛(秋季赛)

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