有练习册的看P67 19.6(1)全部1.“以线段AB为底边的等腰三角形,它的底边角平分线交点的轨迹是线段AB的垂直平分线”这一说法正确吗?为什么?2.半径长为1厘米的圆在直线l上滚动,动圆圆心的
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![有练习册的看P67 19.6(1)全部1.“以线段AB为底边的等腰三角形,它的底边角平分线交点的轨迹是线段AB的垂直平分线”这一说法正确吗?为什么?2.半径长为1厘米的圆在直线l上滚动,动圆圆心的](/uploads/image/z/4066922-2-2.jpg?t=%E6%9C%89%E7%BB%83%E4%B9%A0%E5%86%8C%E7%9A%84%E7%9C%8BP67+19.6%EF%BC%881%EF%BC%89%E5%85%A8%E9%83%A81.%E2%80%9C%E4%BB%A5%E7%BA%BF%E6%AE%B5AB%E4%B8%BA%E5%BA%95%E8%BE%B9%E7%9A%84%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E5%AE%83%E7%9A%84%E5%BA%95%E8%BE%B9%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BF%E4%BA%A4%E7%82%B9%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%98%AF%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86%E7%BA%BF%E2%80%9D%E8%BF%99%E4%B8%80%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E5%90%97%3F%E4%B8%BA%E4%BB%80%E4%B9%88%3F2.%E5%8D%8A%E5%BE%84%E9%95%BF%E4%B8%BA1%E5%8E%98%E7%B1%B3%E7%9A%84%E5%9C%86%E5%9C%A8%E7%9B%B4%E7%BA%BFl%E4%B8%8A%E6%BB%9A%E5%8A%A8%2C%E5%8A%A8%E5%9C%86%E5%9C%86%E5%BF%83%E7%9A%84)
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