已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44729ed7b2b149669f17f71929e4378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c353157aab1e433aa56506afaa516e.png)
A.R | B.![]() |
C.![]() | D.![]() |
更新时间:2023-02-01 15:19:28
|
A.R | B.![]() |
C.![]() | D.![]() |