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昌爸工作坊 數學討論區 36. 邊長為 x 的正三角形,三個角都各剪去相同的四邊形後,就可以折成一個三角形容器,請問此容器的最大 體積為? yt 回覆於: [removed] 上午 12
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Document Date: 2013-08-23 06:09:33
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