名校
解题方法
1 . 已知集合
,则图中阴影部分表示的集合为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238fe218a1e1d7521ca84bf16b87a45b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知集合
,
,其中
是实数集,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a7d7a7a3369000970776a7599ec1e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94754e24bb119d24047e7c980340468d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49efa88a03ca6702e15e1c4b7002c923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82703bf2f7a8c9522d54f74f22a76ac8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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