名校
1 . 设集合
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d650d36c964cb6897742aa1af94be1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e2b1f245313504bb67e1ad0be34bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9a1e9dd14cbd2271ba2f472664ad57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec48671d87f958805cd280fec9c220fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d650d36c964cb6897742aa1af94be1e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知全集
,集合
,
,
.
(1)求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce34576b120377f2be15b5ea1f1402d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fe5e5b25a5b8af00ad387e89a117ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccdb1f60bf20f1571d1b15beaf8cd2c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5159ab0a801b54df6535a0a6a16cc556.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafb511452fb3b93485fe41c73810efd.png)
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3 . 全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4116b12835c329b8375a6f820492454f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3a113dff899e2feb6f3145769dd5ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d19c887002cc13f351b14b929c02d1d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-11-14更新
|
480次组卷
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2卷引用:安徽省六安市第一中学2020-2021学年高三上学期第二次月考数学(理)试题
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4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc514b33b6729d35ffe17c7bff122f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-11-13更新
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216次组卷
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2卷引用:吉林省汪清县第六中学2020-2021学年高一上学期期中考试数学试题
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解题方法
5 . 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/c8e1fa5de8737450d1eeeb701a77ef45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ab4ebbe32292e6656cd4ac5a27c0d4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
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6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d305faa11feb2a7f08856a8b0a8e34d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf0d27afa05700e2421743fcfbddd8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-11-04更新
|
1182次组卷
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13卷引用:2020届山东省青岛市高三4月统一质量检测(一模)数学试题
2020届山东省青岛市高三4月统一质量检测(一模)数学试题(已下线)专题一 集合-2020山东模拟题分类汇编安徽省安庆市宿松县程集中学2020-2021学年高三上学期9月月考数学(理)试题广东省惠州市惠州中学2021届高三上学期12月月考数学试题安徽省六安市新安中学2021-2022学年高三普通班上学期第五次月考理科数学试题安徽省六安市新安中学2021-2022学年高三重点班上学期第五次月考理科数学试题江苏省无锡市天一中学2021-2022学年高一强化班上学期期末数学试题江苏省镇江市实验高级中学、茅以升高中2022-2023学年高一上学期12月联考数学试题河北省石家庄市第二中学2022-2023学年高一上学期期末数学试题安徽省滁州市定远县育才学校2023届高三下学期第一次模拟数学试题(已下线)专题01集合与常用逻辑用语重庆市永川中学校2023-2024学年高一上学期期末复习数学试题(三)云南省丽江润泽高级中学2023-2024学年高一下学期开学考试数学试题
名校
解题方法
7 . 设集合
,集合
.
(1)若
,求
;
(2)设
,
,若p是q成立的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335a5ff978d9fe1a073dd351ac78278d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7df29d28b75b74b388e5e1434ea926.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
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2020-10-30更新
|
272次组卷
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4卷引用:安徽省合肥市第十中学2020-2021学年高一上学期10月段考数学试题
名校
8 . 设A,B为两个集合,我们定义集合
为两个集合A,B的差集,记为A-B
(1)已知
,求
和
.
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8054bd86268fb956685c0883f135f406.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d46cde3e85dfc5b9c71f53265fb03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41604a15c2ec813ad37bd0a9bfa33136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7845a8c978192626a74e63f6c8bd8e9.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663ff7fb37bdd6c89a2ab93904fd95b2.png)
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9 . 集合
,当
时,若
,则称
为
的一个“孤立元素”,则
中孤立元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421d03dbd2ef758f4c4b7eb1cf6d953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29a3416399b0ef557965a21f2e26b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.1 | B.2 | C.3 | D.4 |
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10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f3806367fef9f37fb1281c2b95826d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5df1e37b6d2da9e3a2b49ad3fd930d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-10-30更新
|
568次组卷
|
6卷引用:江西省吉安市安福二中、吉安县三中2020-2021学年高一10月联考数学试题