已知函数
的定义域为集合
.
(1)集合
;
(2)若集合
,求
并写出它的所有子集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdeaabdf6a32d5f5a30f7598a48762a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992b85a0aa41ca623921becbb47e0b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
更新时间:2020-02-28 16:23:06
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【推荐2】已知全集
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解答题-问答题
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较易
(0.85)
【推荐1】已知集合
,![](https://img.xkw.com/dksih/QBM/2016/4/12/1572587720155136/1572587726307328/STEM/ff40ce79730d4d7f8119f9f98831f53d.png?resizew=159)
(1) 求集合
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;
(2) 已知集合
,若
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/4/12/1572587720155136/1572587726307328/STEM/97d754a5fc004f5e81bbf70bf40ed2a2.png?resizew=114)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2016/4/12/1572587720155136/1572587726307328/STEM/387a60f0170846cfab9bcb388cd4bf2f.png?resizew=41)
(2) 已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30da9531815632cc4aeed58d128edc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
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(0.85)
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【推荐2】已知集合
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注:如果选择多个条件分别解答,按第一个选择的解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d347fb75cbb3606f4b7889173272913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffcdb021987af2ecf4bbaeb645196e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9a4fff433edcc6683e90b53680c29f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12025743d6e79e9115af84efd4dccced.png)
(2)若______,求m的取值范围.
注:如果选择多个条件分别解答,按第一个选择的解答计分.
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