1 . 已知全集为
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a0b40e40e835ff0cfd25c9ec9b6a77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa85f1dbfe1533fdb1adab5571dc501e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef388e6c12499205185754d31f52ff3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知全集为
,集合
,
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656f9b8f27f9c0f4d997d842426b358d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5b5fffc6e33fc2ecef39b9aa20e50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
A.![]() | B.![]() | C.![]() | D.![]() |
A.![]() | B.![]() | C.![]() | D.![]() |