名校
解题方法
1 . 已知
,则
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1397c655998636cf9cba1cc624b46236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-15更新
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541次组卷
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2卷引用:宁夏银川一中2021-2022学年高一上学期期中考试数学试题
名校
2 . 集合
,
,
,则
的所有元素之和等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e502eff0c1fe80b2a546ea4af17a9755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce323337a7729908e3025af819aaa1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcc160e2a7576197abd19dfff64c445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次