名校
1 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49cbdf82cbf7e564a73b26ecfc46403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
2 . 已知全集U=R,集合
和
关系的韦恩(
)图如图所示,则阴影部分所示的集合的元素共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8b400c73-a2ca-4c7f-83c7-d37fa9e853d1.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4985bfa098d5399686048cca9bab861f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa432b53248170a365f28b247fdece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2d3a7dc823dc3558569d101d2f1853.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8b400c73-a2ca-4c7f-83c7-d37fa9e853d1.png?resizew=141)
A.1个 | B.2个 | C.3个 | D.无穷多个 |
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