解题方法
1 . 已知集合
.
(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/3acef6002b5f9d83c4cc737cff3b773e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548f1883285d532a7ac0dadf51bd93ae.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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
2 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2929a5bd79f913b6771a5c45206b7a96.png)
.
(1)当
时,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/7cb9ba78e1baac99a8836b10f139a58e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2929a5bd79f913b6771a5c45206b7a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6999cc41d0de41c4114f4adda1952ca.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次
名校
3 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50b37d6a7b874ece7c5302b13721619.png)
.
(1)当
时,求
,
;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31013ab832a4188b7d2af4e8d8080309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50b37d6a7b874ece7c5302b13721619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c37dddffc6dd3017301e89031ed19a1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-02-28更新
|
2399次组卷
|
14卷引用:吉林省吉林市2021-2022学年高一上学期期末数学试题
吉林省吉林市2021-2022学年高一上学期期末数学试题(已下线)高一上学期期末【夯实基础80题考点专练】-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)黑龙江省齐齐哈尔市第八中学2021-2022学年高一下学期开学考试数学试题四川省遂宁中学校2021-2022学年高二下学期3月月考数学(理)试题重庆市杨家坪中学2022-2023学年高一上学期10月月考数学试题福建省厦门市国贸协和双语高级中学2022-2023学年高一上学期第二次月考数学试题四川省凉山州宁南中学2022-2023学年高一上学期第二次月考数学试题广西桂林市第一中学2022-2023学年高一上学期10月月考数学试题吉林省长春市博硕学校2022-2023学年高一下学期期初考试数学试题湖北省十堰市东风高级中学2022-2023学年高一上学期12月月考数学试题(已下线)1.4.1充分条件与必要条件(导学案)-【上好课】(已下线)重难点01集合与常用逻辑用语(9种解题模型与方法)(2)辽宁省抚顺德才高级中学2023-2024学年高一上学期第一次月考数学试题四川省眉山市东坡区眉山北外附属东坡外国语学校2023-2024学年高一下学期开学考试数学试题
4 . 已知全集
,集合
,
,
.
(1)
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16332230391b6c4a125549172854643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43aef9e855eee5812a4cd436aefa4734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9b09ec26c348df4a206fce617babe0.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c5e00c0716742d29b5814b83e07528.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07241606934d6c75cf04455979d0e1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-03-12更新
|
1527次组卷
|
3卷引用:2016-2017学年吉林省舒兰市高一上学期期末考试数学试卷