名校
解题方法
1 . 设集合
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e6ae42cb08d9f0de2a8ca4f06b09ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023·全国·模拟预测
名校
2 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed6a246ce283c1e3229aaff34e3d474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2509d7fc45231e9fc2bf5f2583969ecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知全集为实数集R,集合
,
的关系的韦恩图如图所示,则阴影部分表示的集合的元数个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/1009e048-e988-4bf2-9327-e493a59445a9.png?resizew=153)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2db382fbc18d6e1a19bf677feedd5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254d4a8a0e2e063b0a7f4a8f97b116ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/1009e048-e988-4bf2-9327-e493a59445a9.png?resizew=153)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2023-12-18更新
|
268次组卷
|
2卷引用:福建省莆田市第一中学2023-2024学年高一上学期第一学段(期中)考试数学试题
名校
4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b5c3310ba4bb69a6c1b706f3c273cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 若集合
,
,则
的元素的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2460459def18d318773e97f2d0d8c188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366b27d62a31812728f83f6a15b9b70d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.1 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-16更新
|
410次组卷
|
2卷引用:福建省德化一中、永安一中、漳平一中三校协作2024届高三上学期12月联考数学试题
名校
6 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf32c6ac9a2da30864ad7f3d16b4e126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d19c887002cc13f351b14b929c02d1d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11888fee9ccd97a49ab6a4a5007babd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c5a9fe0c528fe3bad58fb27deede7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
8 . 已知集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b8a4f866b90399930226aaa1727857.png)
(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/46446932f4f5ebdf5ab5d75a025b0d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b8a4f866b90399930226aaa1727857.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfb9e9068dd4c93d2cd0162b78b721e.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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名校
9 . 某地中学生积极参加体育锻炼,其中有
的学生喜欢足球或游泳,
的学生喜欢足球,
的学生喜欢游泳,则该地喜欢足球的中学生中,喜欢游泳的学生占的比例是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecd2fa8749209ba1ef51a3865ec1024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb5ead0db01fc4961b16e85199424ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a263874aa2031f847d06d6cef24aea.png)
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名校
解题方法
10 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027a4ec476416e7105b00d7dc15f48e8.png)
(1)求
;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027a4ec476416e7105b00d7dc15f48e8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
您最近一年使用:0次