1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279fba9ba2f325d2d3c95f8caede1cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38ce694992a4b6d5bdd20931419dc8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-13更新
|
254次组卷
|
2卷引用:辽宁省锦州市联合校2021-2022学年高一上学期期末模拟数学试题(凌海二高命题)
名校
解题方法
2 . 已知集合
,
.
(1)当
时,求
;
(2)若
且
,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af66fa4f4983444148c5fc7255659563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339bcc61ce14eeeff309f8cb32527dbd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0db2c49919467a2e14540f2aabd05cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1e0c4c6cc73b68d8e3fef024dd1d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e353f56a059621103adea74a914244d.png)
您最近一年使用:0次
名校
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddd6ab4ab3d173ed37f26d46c97536e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eb4d2fc015cedf5261df763e81e752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-27更新
|
385次组卷
|
6卷引用:湖南省株洲市第一中学2021-2022学年高一下学期期中考试数学试题
4 . (多选题)若集合
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333f966f6ec29f0661f93d99b055cd5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-21更新
|
119次组卷
|
2卷引用:海南省三亚市三亚青林学校2022-2023学年高一上学期第二次月考数学试题
解题方法
5 . 在①
﹔②“
”是“
”的充分不必要条件;③
这三个条件中任选一个,补充到本题第(2)问的横线处,求解下列问题.
问题:已知集合
,
(1)当
时,求
;
(2)若_______,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](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/dea9a4259cca10c1f5af28e621ebafd6.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707f203a1f5b1953140434f71da8745b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若_______,求实数a的取值范围.
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2023-11-06更新
|
59次组卷
|
2卷引用:江苏省宿迁青华中学2022-2023学年高一上学期第一次月考数学试卷B
名校
解题方法
6 . 设集合,集合
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022高一上·全国·专题练习
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3e839f6d6cdfb99187f3b871519e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe583f7350636a8fa9d81b381ab139fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022高一上·全国·专题练习
解题方法
8 . 已知集合
,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d4cc420e7701ae9ca8468d5e3c6eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0945b9f47f37e913573a970c9c0f66e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022高一上·全国·专题练习
名校
解题方法
9 . 已知集合
,
或
.
(1)当
时,求
;
(2)若
,且“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceff9240cf9f42a74efe5beef5c0c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1509228b43b9c3c5eb34ac2a7cc2ce11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a2025262fb224ccab1efd1c8c992b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dccb0f3cdcca85ed41ca903d5b9d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5627d486e68b1b887a1d35b167dfd38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de82c0cdb265f4d1177ae30f91874e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-10-30更新
|
103次组卷
|
2卷引用:云南省大理市大理州实验中学2021-2022学年高一上学期期末考试数学试题