主页/ 数学文化/ 2018 | 第9卷第3期/ 如何求方程a/(b+c)+b/(a+c)+c/(a+b)=4的正整数解? 如何求方程a/(b+c)+b/(a+c)+c/(a+b)=4的正整数解? 数学文化 2018 | 第9卷第3期, pp. 95-103 Preview Buy Article · CNY $20 Full text requires purchase or subscription 作者 Alon Amit Alon Amit 搜索作者所有文章 摘要 你很可能已经见过许多这样的图了。它们一般采用标题党,例如“95%的麻省理工毕业生无法解决这个问题”。这里的“问题”往往是无意义的,或定义不清楚的,有时甚至是无足轻重的脑筋急转弯。但这个问题不是。这张图片是一个聪明的,或说阴险的玩笑。大约99.999995%的人根本没有机会去解决它,其中包括很多顶级大学非数论方向的数学家。这个问题是可解的,但它真的非常难。 Full text is available as PDF. Download or purchase access to read online. 本期更多文章 《陶哲轩实分析》为什么这样受欢迎? 欧阳顺湘 pp. 114-124 历史照片 pp. 0-0 封面 pp. 0-0 编委合影 pp. 0-0 订阅更新 × Recommend to Your Library Help your institution provide access to 数学文化. Your name * Your email Role / Position — Select — Professor / Full Professor Associate Professor Assistant Professor Postdoctoral Researcher Research Scientist / Fellow PhD Student Master's Student Undergraduate Student Lecturer / Instructor Department Head / Chair Librarian Industry Researcher Other Institution / Library name * Librarian's email * Why do you recommend this journal? Uses this journal in their research Recommends it to students Relevant to their department Library should provide access Personal message (optional) Send Recommendation Sending… 分享