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[几何] 正方体截面的最值论证

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山川浮云 Posted 2024-8-25 09:36 |Read mode
如何求证正方体截面的面积和周长的最大值.

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 Author| 山川浮云 Posted 2024-8-25 09:39
按边数进行讨论,挺复杂的,有无简便方法或更高级的思路

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2025-6-5 22:25 GMT+8

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