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February 8, 2018

1

一道有趣的数学题

作者: physixfan

昨天刚看见的数学趣题,是我近期见过的最有意思的了!大家可以尽管尝试一下,数学方法或者写程序暴力算都行~ 保证解是存在的。

解法见这个链接,不过最好先自己想想,实在不行了再点开看,否则会丧失乐趣:https://www.quora.com/How-do-you-find-the-positive-integer-solutions-to-frac-x-y+z-+-frac-y-z+x-+-frac-z-x+y-4

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1 Comment Post a comment
  1. xyy
    Feb 14 2018

    惊了,看上去这么naive的配图,解了我一晚上也没解出来。。。虽然从可开平方的有理数解中隐约感觉到了椭圆曲线的召唤。。。

    恐怕放在国内一流大学能解的人是也少之又少。。。除非之前做过

    Reply

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