1 . 已知全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c00a91af23e3106574947939ef35310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5357edd89519e27bac5a1da4954806d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac4764cf2bfd520b6c47d06407a1d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e5b494693ecc99d8605d3a222c6639.png)
A.{1,2,3,4} | B.{1,2,4,5} | C.{1,4} | D.{2} |
您最近一年使用:0次
名校
2 . 设关于x的不等式
与
的解集分别为A、B,则不等式组的
解集可以用集合A、B的运算表示为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0826c48a346e7d6eca890d10c9785ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ea3eb7bfc845b94b731bd4d5279192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f406feae4546a84f8ef0553570d43c9d.png)
您最近一年使用:0次
2021-01-17更新
|
211次组卷
|
3卷引用:上海市长宁区2020-2021学年高一上学期期末数学试题
2021高一上·江苏·专题练习
3 . 全集
,不等式组
的解集为B.
(1)若
,求
;
(2)要使集合A中的每一个x值至少满足不等式“
”,和“
或
”中的一个,求a的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a426627bec9c663cee06c834ffcb711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f775c0f4a4a6e387bd934fd92c4ec8dc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482dc4324f4bcc5fdb41a3cab857eb15.png)
(2)要使集合A中的每一个x值至少满足不等式“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0345ad2eb83035986f0ad4d3abaa44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16688590aa75a979cc269d934f1bf899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
您最近一年使用:0次
名校
解题方法
4 . 已知集合
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24973292e6ef06a865a06dcb0b67600e.png)
(1)求
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95aafa9432d239b616b99fbc84595e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89e921275401cb281f1e9c05ff0230e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24973292e6ef06a865a06dcb0b67600e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afac794aa37b60a66c030b7f4c85bcf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280f7a78399bf0d87786bce0377f7da4.png)
您最近一年使用:0次
2020-02-18更新
|
310次组卷
|
2卷引用:安徽省淮北市第一中学2018-2019学年高一下学期第一次月考数学试题
解题方法
5 . 已知集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c09a9591da5b678cf26a567e266361.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-21更新
|
130次组卷
|
2卷引用:山东省2022-2023学年高一上学期联合调考数学试题
6 . 已知集合
,则
的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8646e824cb758d13f2510ff5c6abf15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
A.0 | B.1 | C.2 | D.4 |
您最近一年使用:0次
7 . 设全集
,集合
,当
取满区间
所有值时,集合A的补集 表示区域的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ebb1004238369a22b03b304a6ca05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0cb32f9b7fcf543c527bfe36cfa426e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/873a3ea84c65cf6d1eb92aea25b472dd.png)
您最近一年使用:0次
8 . 集合
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41172e9ef5e328e9a81c673de0ed913c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d334211e4a31b77020c28a4312c6a7eb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
您最近一年使用:0次
2023-11-09更新
|
56次组卷
|
2卷引用:广东省清远市五校2023-2024学年高一上学期期中数学试题
名校
解题方法
9 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1aa19704873b4e1704179d186bb43c.png)
(1)当
时,求
;
(2)若
,求实数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1c6d13a9cbed4b22c99480df34274d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1aa19704873b4e1704179d186bb43c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ddd5ccbeee2a40f925db598dbfef74.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
10 . 集合
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca6e1940ecd47acff8d97ab0ae86171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fcebe1eec31ba8fa6ee07fff39b117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca6e1940ecd47acff8d97ab0ae86171.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-14更新
|
320次组卷
|
2卷引用:海南省海南中学2019-2020学年高一上学期期末数学试题