给出从给定正方形中裁出边长(或面积)最大的正三角形的方法及其严格证明。
In this paper, we give a method for cutting out a maximal equilateral triangle from a square and a strict proof of this method.
给出从给定正方形中裁出边长(或面积)最大的正三角形的方法及其严格证明。
In this paper, we give a method for cutting out a maximal equilateral triangle from a square and a strict proof of this method.
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