1 . 不等式
的解集为
,若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e087d362a3f6c82c02aa1ee353c13741.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148d97803c3b16893ced41ad5cd9aba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0af62dccf5453505ed78151e927e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea460d38b122ecc481efba295d084ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e087d362a3f6c82c02aa1ee353c13741.png)
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名校
2 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c364a59401d9fcedf70a6cc9b1f7f02.png)
(1)当
时,求
,
;
(2)若
是
成立的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc505e21015d365997f9468938d637e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c364a59401d9fcedf70a6cc9b1f7f02.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6f21ff6e69a14998bf5f2cbb0292ec.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
解题方法
3 . 已知集合
,不等式
的解集为
.
(1)当
时,求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6053b07cd2f3a4cd87cc0e1568474c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf84e4d9f4a7edc2643fda82bc5e6ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
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2022-11-08更新
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681次组卷
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4卷引用:河北省石家庄市行唐启明中学2022-2023学年高二下学期开学考试数学试题
河北省石家庄市行唐启明中学2022-2023学年高二下学期开学考试数学试题四川省成都市第七中学2022-2023学年高一上学期期中数学试题江苏省常州市华罗庚中学2022-2023学年高三上学期10月调研数学试题(已下线)期中真题必刷易错60题(26个考点专练)-【满分全攻略】(人教A版2019必修第一册)
4 . 对于全集
的子集
定义函数
为
的特征函数,设
为全集
的子集,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf918f66e9c83c7f9d74975252ce3e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef22bc5064f5ca8e35e1874a90a23ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e4c7a79d9d3cdb9ac5949d53e33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf918f66e9c83c7f9d74975252ce3e05.png)
A.若![]() ![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知全集
,集合
,
.
(1)当
时,求
;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a67a26d25f96b590b0e224e13ef81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8eb212fa7ee8446d01cbfd402773626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8c725b87c0eabc67c005e602459608.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf74e4eb8ca4fa2829e4576e4023f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04ad77855eb1b6f0a3675f7ab449872.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4c15b1d62420f42732db3b626ce3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a3a95a978c23259caf993285d987b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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2022-10-20更新
|
145次组卷
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2卷引用:河北省秦皇岛市青龙满族自治县实验中学2022-2023学年高一上学期期末数学试题
名校
解题方法
6 . 已知全集
,
,则集合B的真子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a759ad836e368b5edc9fa6f1d20fae3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04c4b55556941be69ac8c2e92347cbe.png)
A.63个 | B.64个 | C.127个 | D.128个 |
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2022-10-16更新
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1169次组卷
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5卷引用:河北省石家庄二中2023-2024学年高一上学期第一次月考数学试题
河北省石家庄二中2023-2024学年高一上学期第一次月考数学试题广东省深圳市深圳外国语学校2022-2023学年高一上学期第一次月考数学试题湖北省十堰市天河英才高中2022-2023学年高一上学期10月月考数学试题黑龙江省大庆市大庆实验中学2023-2024学年高一上学期10月月考数学试题(已下线)专题1-1 集合及其运算的12种题型(1)-【巅峰课堂】题型归纳与培优练
名校
解题方法
7 . 已知集合
.
(1)若
,求
;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffd6f153405e63598da54bce6314863.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813149900a416b700674b41fb30502ac.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-10-15更新
|
499次组卷
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7卷引用:河北省石家庄十七中2022-2023学年高一上学期第一次月考数学试题
解题方法
8 . 已知集合
.
(1)当
时,求
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6545b1559ad80efef18abd199d5d8c5c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf74e4eb8ca4fa2829e4576e4023f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67942a923fbfb7b997160b13f1fba776.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca18647bd19f05c6ba7ecfa9921c4280.png)
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2022-10-12更新
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358次组卷
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4卷引用:河北省衡水市第十三中学2022-2023学年高一上学期质检(一)数学试题
名校
9 . 已知集合
,
或
.
(1)求
,
;
(2)若集合
,且
,
为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cb2eddaae950641648d4f711b9ee2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f47a006fd81efdd814246f4a9d5f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b700dc51dce8dd6f00d1d1905672d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263c14c91031d4566e0cea585ae07ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74749a4160641e18b20cf2e1201fd21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c1ed9f568471097d3993ac8eb5b1be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7848c89302a41e9576530313fc3e61b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-10-04更新
|
755次组卷
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3卷引用:河北省秦皇岛市青龙满族自治县实验中学2022-2023学年高一上学期9月月考数学试题
名校
解题方法
10 . 已知A,B是非空集合,定义A
B={x∣
A
B且
},若M={x∣-1≤x≤4},N={x∣x<2},则M
N=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44c45ef0334070fc149b452dee26ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2cc47bf034678c2b79e28a5fd3296b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
A.{x∣-1≤x<2} | B.{x∣2≤x≤4} |
C.{x∣x<-1或2≤x≤4} | D.{x∣x≤-1或2<x≤4} |
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2022-10-04更新
|
973次组卷
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4卷引用:河北省秦皇岛市青龙满族自治县实验中学2022-2023学年高一上学期9月月考数学试题