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[几何] 彭赛列闭合三角形垂心轨迹

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hbghlyj posted 2025-4-24 01:19 |Read mode

蓝色三角形内接于圆锥曲线ℰ、切于圆锥曲线ℰ_c，其垂心X₄（橙色）的轨迹与ℰ旋转90°后位似

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2025-7-21 16:19 GMT+8

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