解题方法
1 . 已知集合
,
.
(1)若
,均有
,求实数
的取值范围;
(2)若
,设
,
,求证:
是
成立的必要条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbdd554d014590a23cfac06de3bda440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac39d8afe38aca6b52b43641a274ea54.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd170c506a8ce70f550f5751ae016ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/653bcf7b627c3b87fcb310732313d9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79df3000f987277819847391e0548c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba27566052abbb25340b6499ae3044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7848c89302a41e9576530313fc3e61b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40961f2dcdf88ac84a8f739317b191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2022-11-24更新
|
238次组卷
|
5卷引用:河北省沧州市沧州市运东三县2023-2024学年高一上学期9月联考数学试题
名校
解题方法
2 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56040ade5ed15ab1c8badd569a76c8cc.png)
(1)若
,求实数m的取值范围;
(2)当
时,求A的非空真子集;
(3)若不存在实数x,使
,
同时成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64227c1492bee3cd626507d0572c6cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56040ade5ed15ab1c8badd569a76c8cc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d678569ac3c124f81254b81d3e47894.png)
(3)若不存在实数x,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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3 . 设全集
,集合
.
(1)若
,求集合
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5022549a96314f486c57fe1d63c41363.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61410f474533fe21cfe5354b747a5de9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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解题方法
4 . 已知不等式
的解集为集合A,集合
.
(1)若
,求实数m的值;
(2)若
是
的必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cce66ea8d81788f94a2e093c3b0e246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991cce2f0c6623e729753679563921fa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fef9f78cdc1f4b32ad56cd51a8cd3a.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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名校
5 . 已知集合
,
或
.则
的必要不充分条件可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e493f19807f5fa2840fefc68fec2a2c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bafdf36dc2e4419bb9eee494b6a1533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fc5de8ae8f500bac59a915f84b6dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 已知
,
,求使
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3cdb0f0857f6e7480096a3645b6aca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d65ec5e6d826abbd4fe8b3390b771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
7 . 设函数
的定义域为集合
,集合
.
(1)求函数
的定义域
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a777646034b39ad2673a05d4643dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb01a1f28a6752cb633d9523475631bf.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-10-29更新
|
376次组卷
|
5卷引用:河北正定中学2022-2023学年高一上学期第二次月考数学试题
名校
解题方法
8 . 设集合
,
,若
,则
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c2aeaff23ef3cc39d8772235b31ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8599342c20289d1736eb6c71007ada8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f776e594404d68252779e9ef6aa1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-26更新
|
428次组卷
|
4卷引用:河北省文安县第一中学2022-2023学年高一上学期10月月考数学试题
名校
9 . 设全集
,集合
,集合
,其中
.
(1)若“
”是“
”的充分条件,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a67a26d25f96b590b0e224e13ef81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82087cf2298048e0dd9217cbe3586683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affa7bba88f9499f9bb1fb528a36694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848c33e3506416358d9f0d3ee66f67a9.png)
(1)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)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e324c24208cc97f9c44146af94933895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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2022-10-26更新
|
333次组卷
|
3卷引用:河北省文安县第一中学2022-2023学年高一上学期10月月考数学试题
河北省文安县第一中学2022-2023学年高一上学期10月月考数学试题安徽省淮北市树人高级中学2023-2024学年高一上学期第一次阶段考试数学试题(已下线)第2章 常用逻辑用语综合能力测试-【帮课堂】(苏教版2019必修第一册)
名校
解题方法
10 . 已知集合
.
(1)当
时,求
;
(2)若__________,求实数a的取值范围.
请从①
,②
,③
,这三个条件中选一个填入(2)中横线顶处,并完成第(2)问的解答.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c04b7d9ebc0a8db936d3f565cc4ac3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6335e7579ada89f23c50c623874bf06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9795cfcb301e51b2f628ff95d7c85c4.png)
(2)若__________,求实数a的取值范围.
请从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97b89b661205708783c517deaa3db39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b4a0e6a36a55f3c64af3f773f05f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1489e16f941818cc5379bc0848a8f7.png)
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