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1 . 在平面直角坐标系
中,已知圆
:
,圆
:
,则两圆的公切线的条数是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a324c816e299f545ba3f31d37544d07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b45e3ef8f62f0b69ae7391bb263fab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-10-17更新
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4卷引用:宁夏六盘山高级中学2023届高三上学期期末考试数学(文)试题