解题方法
1 . 已知集合
,
.
(1)当
时,求
和
;
(2)若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75a18f7fad5dfd057b8751eaf6c9628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161a9faa17aed61fa77ea18e306902cc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89447bf089edbac38ad56a117f9c82ef.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b01b68b0a4b8f07f240e69e4631187.png)
您最近一年使用:0次
名校
解题方法
2 . 已知集合
,
.
(1)若
,求
;
(2)①若
,②若
,求
的取值范围.
注:从条件①,条件②中选择一个作为第二问的条件作答,如果选择了两个条件分别作答,按照第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c697217eb0234651b2a2dd0606eb29f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe7decbea17255fbf44c7e05d6d5f6a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab907894aec35b45d1520c8fbdc3c50d.png)
(2)①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149fbbd377dbfce3378769cf19debf40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
注:从条件①,条件②中选择一个作为第二问的条件作答,如果选择了两个条件分别作答,按照第一个解答计分.
您最近一年使用:0次
名校
3 . 设全集
,集合
,
.
(1)若
,求集合
并写出
的所有子集;
(2)若
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38660b5493ccdb5469191910b3f20389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28c3ac11b737d7c20d33019d7ef3fce.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f6a511ec9bc9ed3745f562dd46ae3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ad6f87839aac4713d84dad3703f74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次
名校
解题方法
4 . 全集
,
,定义函数
,
.设全集为
,
,
,则下列说法中正确的是( ).
①若
,都有
,则
;
②若
,都有
,则
;
③若
,则
,都有
;
④若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc52c513c4ff65ca6dde28e82302e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e872052669dbffeda6827fed0315019c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc72e9d842d81b16d21b9dfdbdd14981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c38edfcbc6d0348a9fc75376f629909.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5acc91e3b2cf95ecb5ddbb5cce61643a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0063de7a6fcec0121a9b8836b644e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5acc91e3b2cf95ecb5ddbb5cce61643a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6409ca7b7ab3c4aa4e0b9abc8d2cb066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7dcbd7f44645b8c707627ab0795e18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5acc91e3b2cf95ecb5ddbb5cce61643a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4af5eb3032e06dcb7e685a45a66cfa4.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3f395c9e43594f9fa1551abc2b0463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7dcbd7f44645b8c707627ab0795e18b.png)
A.①② | B.①③ | C.①②④ | D.③④ |
您最近一年使用:0次
名校
5 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2378d8860a645c5fc22afda4862676.png)
(1)求集合
中的所有整数;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2378d8860a645c5fc22afda4862676.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354ba538d9b1102e66f631729eecbafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-05更新
|
947次组卷
|
5卷引用:北京市第一七一中学2023-2024学年高一上学期期中调研数学试题
北京市第一七一中学2023-2024学年高一上学期期中调研数学试题北京市海淀区2022-2023学年高一上学期期末数学试题北京市北京大学附属中学元培学院2022-2023学年高一上学期期末考试数学试题重庆市巴蜀中学校2022-2023学年高一(艺术班)上学期期末数学试题(已下线)期末真题必刷易错60题(28个考点专练)-【满分全攻略】(人教A版2019必修第一册)
名校
解题方法
6 . 已知集合
(1)若
,全集
,求
;
(2)从条件①和条件②选择一个作为已知,求实数
的取值范围.
条件①∶若
;条件②∶若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25226e0fcde4033d9d16749e52436ba8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c61ee150e0528b4402258dde1802be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fa5117dc472ade98f7884394debb51.png)
(2)从条件①和条件②选择一个作为已知,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
条件①∶若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次
2021-11-14更新
|
666次组卷
|
5卷引用:北京市西城区北京师范大学第二附属中学2021-2022学年高一上学期期中数学试题
名校
7 . 已知全集
,集合
,
,则集合
可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1f111415ece207aad8e2320185330d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521a508e725600221f5e095adb01ef65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a219867d9450fc2f7917a44e7ddcab94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-04更新
|
1306次组卷
|
8卷引用:北京市海淀区2022届高三上学期期中练习数学试题
名校
解题方法
8 . 已知集合
,若
,那么实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1a19a41316eb5c71520b1f0b194117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ca77e94233f9b35d04e4644900c5e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-10-21更新
|
389次组卷
|
3卷引用:北京市第二中学2023-2024学年高一上学期第一学段考试数学试卷
名校
9 . 如图所示,全集
,
,
,则图中阴影部分表示的集合为( )
![](https://img.xkw.com/dksih/QBM/2021/7/5/2757823187697664/2780117373771776/STEM/9a714f0f36704d6b8861db86d9017fa1.png?resizew=249)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac5c92fa7ed30fcb5cc66fa0232346c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f581c35251a68488850f83356bf908f.png)
![](https://img.xkw.com/dksih/QBM/2021/7/5/2757823187697664/2780117373771776/STEM/9a714f0f36704d6b8861db86d9017fa1.png?resizew=249)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-06更新
|
886次组卷
|
5卷引用:北京汇文中学教育集团2022-2023学年高一上学期期中考试数学试题
名校
10 . 已知
,
,若
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f110d1bb5b51ca0311046daaa99960e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fd3f3d10d60a6f057745c036ca528b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffdf58b18cc231424b480c1c78cad0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-27更新
|
1435次组卷
|
6卷引用:北京理工大学附属中学分校2020-2021学年高一上学期数学期中练习试题
北京理工大学附属中学分校2020-2021学年高一上学期数学期中练习试题(已下线)第03讲 集合的基本运算(教师版)-【帮课堂】2021-2022学年高一数学学同步精品讲义(人教A版2019必修第一册) 湖北省武汉市第十四中学2021-2022学年高一上学期10月月考数学试题1.1.3 集合的基本运算同步练习——2022-2023学年高一上学期数学北师大版(2019)必修第一册(已下线)专题01 集合及集合运算求参(2)(已下线)专题01 集合及集合运算求参(2)-【寒假分层作业】(人教A版2019必修第一册)