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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 2024-11-1 06:26 |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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2025-7-23 17:00 GMT+8

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