已知全集
,集合
,
,则
的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104e56f326e8a954f20a2411e4ccdb87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2554554e58f642dd0989c09a4230de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
A.3 | B.2 | C.1 | D.0 |
更新时间:2020-12-18 14:21:08
|
A.3 | B.2 | C.1 | D.0 |