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如何确定线段中点
更新时间: 2020-09-16 00:00:00  

假设线段AB,以A为圆心,以大于线段AB的一半为半径画圆,再以B 为圆心,以大于AB的一半为半径画圆,两圆相交的两点为C、D,连接C、D,与AB交于E点,则点E就是线段AB的中点。

关键词: 如何 确定 线段 中点

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