解题方法
1 . 已知全集
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657b754dec271c77e43e326a761b4531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cebe268b01e58f761eb37a308433ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38356b5455c266f549cebc46f91cbd20.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c5abadccd139f5d40b144f1f2842f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce490a087cec13e954b6328e8ae20fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8886b10cead40b74e606c06d76efa2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次