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1 . 集合
,
.
(1)若
,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3013df2ad9cc1fd787bbd501e2bc8c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217cf007b850b6d70ff90ea4002da8ec.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194e71511f68a71097cd98d819f69348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-07-05更新
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4196次组卷
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6卷引用:上海市浦东新区川沙中学2018-2019学年高二下学期期末数学试题