110| 3
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[不等式] 如何证明四面体的陪位重心到各侧面的距离之和最小 |
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I am majia of kuing
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Author|
lihpb
Posted at 2024-8-10 20:58:42
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I am majia of kuing
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手机版Mobile version|Leisure Math Forum
2025-4-23 05:54 GMT+8
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