请问祖冲之是怎么计算圆�率的,�知道据说好像是用的割圆术,�想知道的是他怎么计算多边形的面积�? 知乎 Template




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tomski请问祖冲之是怎么计算圆�率的,�知道据说好像是用的割圆术,�想知道的是他怎么计算多边形的面积�? 知乎 coloring