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[几何] 椭圆的定点与定值问题

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lemondian posted 2020-8-13 01:13 |Read mode

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色k posted 2020-8-13 11:23

等价于要MN过定点，这以前有帖子吧

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bb226562 posted 2020-9-6 11:05

回复 1# lemondian

以前有这篇贴子。

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2025-7-15 15:23 GMT+8

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