名校
1 . 已知
分别是
轴和圆
上的动点,点
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69f591a5cd2bb850875b5f57a9c556b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2f21b1baf0624482fd41d7ba390341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73d41618133e3f713020209a8989072.png)
A.5 | B.4 | C.3 | D.2 |
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2022-01-30更新
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458次组卷
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4卷引用:重庆市第八中学2021-2022学年高二下学期第一次月考数学试题