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[几何] 一条线最多与凸曲线相交两次?

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hbghlyj Posted at 2024-11-1 06:26:09 |Read mode
如何证明一条线最多与一条凸曲线相交两次?

(凸曲线是任何一点的切线都只位于其一侧的曲线。)

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2025-4-21 23:51 GMT+8

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