1 . 已知命题
:
恒成立,命题
与圆:
有公共点,则
是
的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294560c0b5f2e32ca94fe6b407016426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e8e2d89044842891b67ad7d6408f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259e9a874ba8a4fbc027e01699a81d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.必要不充分条件 | B.充分不必要条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2019-01-30更新
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389次组卷
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2卷引用:【市级联考】广东省清远市2019届高三第一学期期末教学质量检测文科数学试题