很简单的原理，利用相互抵消的办法，古代大约叫更相减损法了。不过渔夫可是花了好多时间才琢磨出来的。这个原理可以通用至任意多边形，当然是奇数边形，偶数的话就先除2，一直到奇数为止。当然不适用正四边形。其他的多边形渔夫就不再贴上来了。实在有兴趣，去看blogspot上phdfishman（蒲汇塘渔夫的闲聊博客）WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
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