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570:动点圆与直线相切，计算圆心移动的距离，中考数学经典题目
本视频详细讲解动点圆与直线相切的相关计算。
初中数学—圆与相似三角形综合题53/64
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App02:02本视频详细讲解动点圆与直线相切的相关计算。
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