设集合
,
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d4cc420e7701ae9ca8468d5e3c6eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dded160206bad3b70b94a8d77e62e8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.4 | C.8 | D.16 |
更新时间:2023-04-29 11:37:21
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【推荐1】已知集合
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f7c37fe20f2ee71d9cefa760c5b670.png)
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A.4个 | B.8个 | C.16个 | D.32个 |
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【推荐2】已知集合
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.7 | B.8 | C.255 | D.256 |
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