1/6, 3/8, 1/6

来源: wxcfan123 于 2014-01-23 11:22:48 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 题目可扩展为：求正方形中的4个区域中每个区域的内切圆的半径。由万斤油于 2014-01-22 17:00:32

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