已知⊙O1与⊙O2的半径
=2、
=4,若⊙O1与⊙O2的圆心距
=5.则⊙O1与⊙O2的位置关系是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2858005b9ae89ae080d83dcc13cf8e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3e95410f3b4fcb0cba425b521d1f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
更新时间:2016-12-05 12:02:25
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【知识点】 圆
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