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original poster: 力工

[几何] 圆的相交弦所成四边形的面积最值。

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isee posted 2018-12-25 16:38

游客发表于 2018-12-23 18:34

这个巧松的计算真是牛气，赞叹。

学习了感谢。

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isee posted 2018-12-25 17:32

想起这定角被双曲线截的这题
forum.php?mod=viewthread&tid=5044&highlight=反比例函数

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2025-7-21 12:11 GMT+8

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