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June 3, 2007

2

一张图证明著名等式

作者: physixfan


如图,从内到外各圈正方形的边长依次是1,2,3,4……通过面积的两种表达形式,就可以证明结论中的著名等式!
解释一下:第一个算式是把面积一圈一圈加起来,第二个是总边长的平方。

2 Comments Post a comment
  1. 元标自动机
    Feb 5 2013

    这是mspaint画的?

    Reply

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