解题方法
1 . 已知全集
,集合
,
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3e5baf4a98de0083acc5a0046ca3a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45922ef8d854acb2ddacd05f0ff80e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef448e9ee9976bd04056f9390a6533ce.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 若集合
,全集
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03ee33252c5e597301c6c41b9ef2a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ccaf2fb1174d9314c3e9b07846059c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d19c887002cc13f351b14b929c02d1d.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次