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Discuz Math Forum»Forum › Mathematics › High School › [猜想] 有关四面体棱长和二面角的几何不等式
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[几何] [猜想] 有关四面体棱长和二面角的几何不等式

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lihpb

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lihpb posted 2023-12-5 13:30 |Read mode
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lihpb

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original poster lihpb posted 2023-12-5 13:30
这个只是猜想，我证不出来，我构造过好几个不同的四面体，都能满足这个不等式。

如果这个不等式不成立的话，希望能给个反例出来，目前我找不到反例
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lihpb

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original poster lihpb posted 2023-12-5 17:31 from mobile
现在我已经证出来了，可以有更强的参数推广形式，证明过程我改天再写
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