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过一点能画几条直线
更新时间: 2020-10-24 00:00:00  

过一点可以画无数条直线。点线面体分别对应着0维,1维,2维,3维。欧式几何里,一点什么都定不了,所以过一点可以有无数条直线。两点可以确定一条直线,不在一条直线上的三个点可以确定一个面,也可以说,直线和直线外一点可以确定一个面。

关键词: 一点 直线

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