1 . 设全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9a9779c1aa971c463447e664aacda8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738a7c89b55b5c5aed4f31b5ce834134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46e24e5f769d2057acd26e3241b64ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知集合
,
,全集
.
(1)若
,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074fc6e62b76024813d70d580aba8369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2094e7c2284a10aa865e8e3b994ae142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27204983497f2f80f42cbda9f22c8a23.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d180c600efe0e9df9fab937492eb817.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-11-23更新
|
526次组卷
|
3卷引用:广东省东莞高级中学、东莞第六高级中学2022-2023学年高一上学期期中联考数学试题
名校
解题方法
3 . 已知集合
,集合
, 则下列关系式准确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb883eeb1fd0e970eb0471df5b9219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe81c68476c560313bde5dfa0343b02.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2022-11-17更新
|
256次组卷
|
3卷引用:广东省广州市第十六中学2023届高三上学期12月模拟数学试题
名校
4 . 已知集合
.
(1)若
,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7825c1ead797742071462972ab0185.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ccb7a92af066fadc2e910ffb4f686b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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2022-11-12更新
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281次组卷
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2卷引用:广东省广州市真光中学2022-2023学年高一上学期期末数学试题
5 . 已知集合
.
(1)求集合B的补集
;
(2)若“
”是“
”的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f8a296c5ce6233dc7281333ace6cec.png)
(1)求集合B的补集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263c14c91031d4566e0cea585ae07ea5.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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解题方法
6 . 已知集合
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810a56f2295c13c90e6e0ceee366dccd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7281e600b1bfdea12143fa1f1fa33da3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2163493850ae03c6109d62cf751ef23f.png)
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2022-11-07更新
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303次组卷
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3卷引用:广东省汕头市实验学校2022-2023学年高一上学期期中数学试题
解题方法
7 . 设全集为
,集合
,集合
,
(1)求
,
及
;
(2)若
,且“
”是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d86213e65f22b28026258652f1672ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99948dbadd9f1be3c34ec9e71d5b962f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0d45290cd197eea95681b83c270539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6fc36161bbbdc9ed5b658cb57301c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c74f4f3b59a13d158b14d887a83d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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8 . 已知全集
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4e32aaa8ea7572916844d3bd61b31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d13a621a054e64e7189e65693e838f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
A.![]() | B.{4} | C.{0,4} | D.![]() |
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2022-11-02更新
|
203次组卷
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3卷引用:广东省广州市第六中学2021-2022学年高三上学期期末模拟数学试题
名校
9 . 已知集合
,集合
.
(1)若全集
,求
;
(2)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c06bd1a0aa958e2a4813ea72e2ba01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e55fd6921aa85cd364a6d0fde48c48f.png)
(1)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62eeab0e8060b02660c42961c073a05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d671d4ce46f03f75a328734f2acbac91.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
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2022-11-01更新
|
96次组卷
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2卷引用:广东省东莞市第四高级中学2022-2023学年高一上学期10月阶段数学试题