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[几何] 如何计算四面体的界面面积

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lihpb posted 2024-9-2 09:57 |Read mode

四面体ABCD各棱长和侧面积均已知，E在CD上，界面ABE平分四面体ABCD的表面积，怎么计算界面ABE的面积

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2025-6-8 15:53 GMT+8

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