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∆ABD 面積 = ?
Author:
羅驥韡 (Pegasus Roe)
Topic:
Area
,
Triangles
如圖:∆ABC 面積 = 8, ∆ACE 面積 = 7, ∆CDE 面積 = 9, 求 ∆ABD 面積 = ? 答案:
不一定
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