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1 . 设M和N是两个集合,定义集合
或
,如果
,
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff17080d240ea3c5cf35b4957c5f4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf44db93ea5947f75d513b52a91ee4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e6919c9e976441fc52cb103bf524c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c78d04f1108774d63c00308b4ac6fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2ed87b1ce88cbcbf3177e7aa232a65.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-08-15更新
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336次组卷
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3卷引用:辽宁省营口市2021-2022学年高二下学期期末数学试题