已知集合
,
.
(1)用列举法表示
的全体非空子集﹔
(2)求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408a094db09e69e6a2439d6bb336208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b3af3081bb263a04a98e23d532ed66.png)
(1)用列举法表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
更新时间:2020-12-08 14:18:23
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解答题-问答题
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(0.85)
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【推荐1】已知集合
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(2)写出
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解题方法
【推荐1】设函数
的定义域为A,集合
.
(1)若
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(2)若集合
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![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389644263424/STEM/50fee333eb0f42d7ab08e91014841c2c.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389644263424/STEM/71296f32591743d582c30c777f2592de.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389644263424/STEM/7997e9a9f14048d0acfc6f6f0f41d40a.png)
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(2)若集合
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389644263424/STEM/41922ef7b59f472f89d6874501d5ef7a.png)
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【推荐2】已知集合
,
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