已知集合
,
,则集合
中元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051f0b855d274a9739a5b91a84ab14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6577254940d845b0a1d304d039b2741e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.1 | B.2 | C.3 | D.4 |
更新时间:2023-10-22 15:48:46
|
A.1 | B.2 | C.3 | D.4 |