当前位置:首页>小学教材>【小学堂·数学史话】第四季 课本里的中国数学家 第73期 吴文俊与几何图形的认识与证明

【小学堂·数学史话】第四季 课本里的中国数学家 第73期 吴文俊与几何图形的认识与证明

  • 2026-04-07 07:47:25
【小学堂·数学史话】第四季 课本里的中国数学家 第73期 吴文俊与几何图形的认识与证明

小学堂·数学史话

齐羿名师工作室

数学育人课堂系列特色活动

第七十三期

吴文俊与几何图形的认识与证明

亲爱的同学们,

你们可曾发现 ——

课本里的“平均分”,是先民们在田埂间分谷物时的公平刻度,

作业本上的“长方形”,藏着《考工记》里工匠校准器物的精准匠心,

就连最常背的“乘法口诀”,都回响着《管子》中计数传习的古老韵律。

本季《数说史话》将化作时光长卷,

让我们循着古人的生活足迹,

看见数学知识从生活里长出的脉络。

每一个知识点都是烟火气里的智慧结晶,

每一段数学往事都是点亮思维的星火。

让我们翻开课本,

遇见那些在岁月深处闪耀的数学微光!

本期领读员

王嘉颖

本期精彩内容

小朋友们,你们好,欢迎来到齐羿名师工作室“数学史话·小学堂”第四季课本里的中国数学家,我是今天的领读员王嘉颖。本期,让我们一起走进吴文俊与几何图形的认识与证明

第一部分  知识链接

几何图形的认识与证明

翻开人教版四年级下册数学书,第五单元“三角形”和六年级上册“圆”的内容中,我们经常要和几何图形打交道,还要学会简单的几何证明。比如证明三角形内角和是180°,验证等腰三角形两腰相等、两底角相等,这些看似基础的结论,其实都是几何证明的雏形——用已知的规律,推导未知的结论,让图形的性质有了确凿的依据。

在小学数学里,几何证明大多靠动手操作:把三角形三个角剪下来拼一拼,就能直观看到它们组成一个平角;用尺子测量等腰三角形的边长和角的度数,就能验证性质。这些操作能帮我们建立对图形的认知,而随着知识积累,我们会发现,几何证明可以更严谨、更高效。而有一位中国数学家,不仅在高端几何领域成就斐然,还开创了用计算机自动证明几何定理的方法,让几何证明进入了“机械化”时代,他就是吴文俊。

几何证明的魅力,在于用逻辑串联图形的奥秘。在中国数学史上,吴文俊院士就是深耕几何与数学机械化领域的先驱者,他提出的“吴方法”,让原本依赖人工推导的几何证明,能通过计算机算法自动完成,既革新了数学研究方式,也和我们课本上的几何知识一脉相承。

第二部分  背后的数学家

吴文俊

“科技是国家强盛之基,创新是民族进步之魂”,这是吴文俊的信念,也是他一生的追求。1919年,吴文俊出生于上海,从小对数学有着浓厚的兴趣,尤其喜欢琢磨几何图形的规律。他求学期间踏实钻研,不仅打下了扎实的数学基础,还养成了敢于突破常规的思维习惯,这为他后来的研究埋下了伏笔。

在国外留学期间,吴文俊深耕拓扑学这一高端几何领域,提出了“吴示性类”“吴公式”等重要理论,为拓扑学的发展开辟了新方向,奠定了他在国际数学界的地位。而更令人惊叹的是,20世纪70年代,他跳出传统研究框架,将目光投向了中国古代数学和现代计算机技术的结合——中国古代数学注重算法和实用性,这让他萌生了用算法实现几何证明机械化的想法。

经过多年钻研,吴文俊提出了著名的“吴方法”,这是一种能通过计算机自动证明几何定理的有效算法。简单来说,就是把我们课本上的几何证明步骤,转化为计算机能识别的数学公式和运算规则,让计算机快速完成复杂的推导过程,甚至能发现新的几何定理。美国人工智能协会主席曾评价,吴文俊“独自使中国在该领域进入国际领先地位”,他的研究也为人工智能的发展提供了重要启发。

吴文俊不仅是顶尖的研究者,更重视数学的传承与普及。他认为中国古代数学有着独特的价值,始终致力于挖掘古算精髓,用科学方法解读中国古代数学成就,让世界看到中国数学的历史贡献。他还鼓励青少年多动手、多思考,不要局限于课本上的方法,培养创新思维。即便到了晚年,他依然关注数学教育,希望更多人能感受到数学的魅力。

从课本上剪拼三角形验证内角和,到吴文俊用“吴方法”实现几何证明机械化,我们能看到几何知识从基础到高端的跨越,也能感受到数学思维的无限可能。吴文俊用一生诠释了“传承与创新”的意义,他告诉我们:数学不仅是课本上的定理和公式,更是不断探索、突破自我的工具。学好几何知识,培养严谨的逻辑思维,我们也能在数学的世界里开拓属于自己的天地。

本期数学史话·小学堂到这里要和你说再见了,品读数学文化,领略数学家的魅力,数学的星空永远璀璨。

下期我们将深入探寻又一位中国数学家的奇妙故事,看看他如何为数学发展添上浓墨重彩的一笔,敬请期待!如果你有感兴趣的中国数学家,欢迎在评论区留言,说不定下期就能看到他的故事!再见!

数学文化小倡议

收集课本里的数学史彩蛋

和家人分享你知道的数学家故事

用数学眼光发现生活中的对称美

让我们下期继续,

用数学思维丈量古今,

让文化基因点亮未来!

编辑:包婷婷

排版:郑承洁

初审:薛丹丹

复审:包婷婷

终审:齐   羿

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  1. CONNECT:[ UseTime:0.000758s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001148s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000509s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000527s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001010s ]
  6. SELECT * FROM `set` [ RunTime:0.000426s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001108s ]
  8. SELECT * FROM `article` WHERE `id` = 459830 LIMIT 1 [ RunTime:0.003321s ]
  9. UPDATE `article` SET `lasttime` = 1775653439 WHERE `id` = 459830 [ RunTime:0.001061s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000467s ]
  11. SELECT * FROM `article` WHERE `id` < 459830 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000866s ]
  12. SELECT * FROM `article` WHERE `id` > 459830 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.007396s ]
  13. SELECT * FROM `article` WHERE `id` < 459830 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.023272s ]
  14. SELECT * FROM `article` WHERE `id` < 459830 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002497s ]
  15. SELECT * FROM `article` WHERE `id` < 459830 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002190s ]
0.183835s