名校
1 . 设集合
,
.若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cf17f1aa29712966eb213db9ba5750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf61b7c6d1c49ebcb814e9cd61f9590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知
,集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf34786277a73c4d7f7813a5a002e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c0e1ad91c344f809c3482515e2fee0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
3 . 若集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e36d7403172cfd95f3bd2667509357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efcc8cda62cc39b86e95bc21903aef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f59941f16b70148b465538da5d57483.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
5 . 在
,
,设全集
,并回答下列问题.
(1)若
,求
;
(2)若“
”是“
”的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97db28356f3a6a0dd7aa2fadc44196f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aba51270a2d40a083a88f057acf5f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d702be59738be52fa35da108c70e117.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5bfec645b874ef728374d885b83073.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
7 . 已知集合
,命题“
,
”是真命题.
(1)求实数a的取值集合B;
(2)在(1)的条件下,若“
”是“
”的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072a6e93dd175e18c417f46ee9fea29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3314b9a80bcd9a780431282a7179c1.png)
(1)求实数a的取值集合B;
(2)在(1)的条件下,若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
8 . 已知全集
,则集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96380cf7a6f6a2c29f6e557a862b9df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ab83c2c0bbcaabc2a177855d55d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-27更新
|
313次组卷
|
2卷引用:湖南省长沙市湖南师范大学附属中学2023-2024学年高一下学期入学考试数学试卷
解题方法
9 . 设集合
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba91c8e06397557ac77db21089562ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
10 . 已知实数集
满足条件:若
,则
,则集合
中所有元素的乘积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c3e3323c13b1ddc0e0869a6a6e6056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cb8c0d3ebcc499d8e0d4f564f19492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.1 | B.![]() | C.![]() | D.与![]() |
您最近一年使用:0次