解题方法
1 . 已知集合
,集合
.
(1)当
时,求
;
(2)当
时,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d3a99bb8194bb7773b8e9e94c566c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d11cedfdf5547856b00da1e4b963d6c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2010·山东威海·二模
解题方法
2 . 若
,
,定义
,
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245161697175c9d80e9f805cf46657e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf863800b31b56747ce7e77f916ac40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be4bb2795c306786145160e260fabf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18eea59f94e7cb3bc45518772a5abaf3.png)
则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245161697175c9d80e9f805cf46657e4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a1aced681e29469b2a6baf99663c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5036bbafd9538061e8e727b19d6bfeb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e651f46b63baef2a317231b364f6c34.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-10-18更新
|
606次组卷
|
7卷引用:山东省威海市乳山市银滩高级中学2022-2023学年高三上学期9月月考数学试题
4 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351e63e55b94bf4473b8fc04c5d0fae5.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知集合
,集合
.
(1)若
,且
,求实数
的取值范围.
(2)
,若
是
的必要不充分条件,判断实数
是否存在,若存在求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e2f7f54fc1f80683ea5f415d7b38fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b3a2c01b537cf7c294432d623cd832.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c71b2a0394a47e6aa7b2f20a03ac788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9d82d19ddbec3a1751d8e91c8551e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82844a05c35503d6575efb20931cca65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-11-29更新
|
571次组卷
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6卷引用:山东省威海市文登区文登第一中学2021-2022学年高一上学期期末数学试题
6 . 解下列不等式:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab70278f860181a9c7eb6f586235949.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5145b15319b2d922259bb2731bdae6fe.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145b0954db09d762825cbb2d083906d5.png)
您最近一年使用:0次
解题方法
7 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aad9a9801d52c5d944424ec692ac63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8b33b62340d2df31b47b93df911df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知集合
.
(1)求
;
(2)若集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183d297f6b8942eed685d721589ce30b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c6d0847cbfb5690d6671d0faa574d2.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b15966b328d2c305ee2ff2185cb6d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6ca098b764e0366d043b69ae9d8f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
9 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a9fd3acc684610f67cbf59be5dad5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29eb52d5fe369ed33c417030921ea6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-10-16更新
|
201次组卷
|
3卷引用:山东省威海市文登区文登第一中学2020-2021学年高一上学期期末数学试题
名校
10 . 已知集合
,
.
(1)求
;
(2)若
,
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e0496d523514d537692dd9218c613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b01bdb599bd691a91c40f7a0b732325.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9795cfcb301e51b2f628ff95d7c85c4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d9c9183390843588d977757c6b2ec4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb9b309fe079cd9ac1368e866089a0e.png)
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2022-10-23更新
|
194次组卷
|
3卷引用:山东省威海市乳山市银滩高级中学2023-2024学年高一上学期9月月考数学试题