1 . 已知集合
,集合
,集合
其中
.
(1)写出集合
的所有子集;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2597434af869e21e884d7284ad3dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a5bbb9dee388dc8971a0156dd51cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5225cd9b41a0846f5a4ee2156c40ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6024fd3d71da587d8df3a0c28e7840.png)
(1)写出集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0fc645d365527570a9723364c983e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
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2019-12-31更新
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3卷引用:新疆昌吉教育共同体2020-2021学年高二下学期期末数学(文)试题