楼主: horky
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[科普教学♡] 问答 (数学趣味类)生日蛋糕系列趣题√已有答案 |
发表于 2008-1-26 15:09:26
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发表于 2008-1-26 16:06:41
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发表于 2008-1-26 14:15:28
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问答 数学趣味类- 等分正六边形为八个面积相等的梯形 √已有答案√欢
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发表于 2008-1-26 16:36:09
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