求三角型面積 - 拼圖
By Mary
at 2011-06-14T12:26
at 2011-06-14T12:26
Table of Contents
有一等腰直角三角形
當中有一點距離三頂點分別為 3, 4根號2, 5根號2
試求此三角型面積。
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拼圖
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By Tom
at 2011-06-19T02:46
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