解题方法
1 . 已知集合
,集合
或
,集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6db7770a50ae2d290409e15a95b319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a884b4f8abcd59336c71e5429fa75fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a8f1824ab762a29a8c9fd7a9ae0f23.png)
A.集合![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
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2 . 若全集
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8877c31de01a7a15fbfe0b43c9aea888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79a7ea92bb01c5480289c4766000eb8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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