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Re:强大的证明啊

Posted by langjun at 2012-08-14 14:15:12 on Problem 1032
In Reply To:强大的证明啊 Posted by:771385494 at 2012-04-19 20:17:43
> 高中的题目:周长一定时,正n边形的面积,n越大,面积越大,圆的面积最大!!!
这个,什么意思呢?

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