名校
1 . 已知集合
,集合
(
)
(1)当
时,求
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d43fd3a286d8d33657f892790a40bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc6f028fac6c5c251cc3b2a252321b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.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/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
2024-01-18更新
|
293次组卷
|
2卷引用:河南省焦作市博爱县第一中学2023-2024学年高一上学期期末数学试题
名校
2 . 已知集合
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d975f702018e84c359c738816d9eb146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c8706baac2ef0b92ec5ab87de8a8ad.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/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知
,
.
(1)若
,求
;
(2)已知全集
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34ebb6354217884a54a1434fd547f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80785d808cac069d4707af324e090fb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)已知全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442be389c6471b36eff2652b75beb114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab8d9f2599a56921cb5695f8573165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 已知集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79fb8275ea748569f7bf51e4c964ffca.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-11更新
|
333次组卷
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3卷引用:河南省信阳市浉河区信阳高级中学北湖校区2023-2024学年高一下学期开学考试数学试题
河南省信阳市浉河区信阳高级中学北湖校区2023-2024学年高一下学期开学考试数学试题黑龙江省齐齐哈尔市2023-2024学年高一上学期1月期末考试数学试题(已下线)高一数学开学摸底考 02-北师大版2019必修第一册全册摸底考试卷
5 . 已知集合
,命题“
”为假命题.
(1)求实数
的取值集合
;
(2)在(1)的条件下,若“
”是“
”成立的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978bca02b3ad1dc689a85e8cd4d2caf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd09ed9dfb043738e5cbb54e33b789c3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
6 . 集合
,若
的充分条件是
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da25007343314cd7d0585ef12ca59e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-18更新
|
1563次组卷
|
6卷引用:河南省信阳市浉河区信阳高级中学2024届高三下学期三模数学试题
河南省信阳市浉河区信阳高级中学2024届高三下学期三模数学试题江西省萍乡市2024届高三二模考试数学试卷河北省涞源县第一中学等部分高中2024届高三下学期三模考试数学试题(已下线)专题1 必备知识与常规问题(单选题1-3)(已下线)周测1 集合与常用逻辑用语 复盘卷(针对提升卷)(已下线)核心考点9 集合与简易逻辑(一轮复习) B提升卷 (高二期末考试必考的10大核心考点)
7 . 设
,那么下列关系中正确的选项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad90d13a003a7b3847309a12a2f8444a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知集合
,则
与
的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbebd453be7b5fb07f9d2284733f02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.![]() | B.![]() |
C.![]() ![]() | D.不能确定 |
您最近一年使用:0次
名校
解题方法
9 . 已知集合
,
,
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2feed236cb514eee5a426282155ccf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf37aa3334ab85b7aef3e2103e33d1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.![]() | C.1或2 | D.0或2 |
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2024-04-03更新
|
863次组卷
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5卷引用:河南省漯河市高级中学2024届高三下学期4月强化拉练一数学试题
解题方法
10 . 已知集合
.
(1)若
,求
;
(2)若
是
的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aed37b83949e43e994b315c641db3e6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-03更新
|
162次组卷
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2卷引用:河南省开封市五校2023-2024学年高一上学期1月期末联考数学试题