名校
解题方法
1 . 集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee30245c147b93b59c0598f88502a754.png)
(1)当
时,求
;
(2)若
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e2146e3ece00f3562b4d19eb44c327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee30245c147b93b59c0598f88502a754.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-04更新
|
264次组卷
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2卷引用:北京市昌平区第一中学2023-2024学年高一上学期期中考试数学试题
2023高一上·上海·专题练习
名校
2 . 设集合
,集合
若
中恰有一个整数,则实数a的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9e64d4de4133bd34663e1d6cbe92b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8786da3ef6106c1e879f52abe648f3e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-26更新
|
446次组卷
|
5卷引用:北京市海淀区首都师范大学附属中学2023-2024学年高一上学期10月期中练习数学试题
北京市海淀区首都师范大学附属中学2023-2024学年高一上学期10月期中练习数学试题(已下线)上海市高一上学期【第一次月考卷】-【满分全攻略】(沪教版2020必修第一册)福建省泉州市泉州科技中学2023-2024学年高一上学期期中数学试题1号卷·A10联盟2022届全国高考第一轮总复习试卷数学(理科)试题(一)(已下线)第05讲 一元二次不等式与其他常见不等式解法(十大题型)(讲义)
名校
3 . 已知集合
,若
中恰有3个元素,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e919a9e83caf00c575302cbbdb1929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 设集合
,
,若
,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acf8c076da7f6a96130ef7a0f55dad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf61b7c6d1c49ebcb814e9cd61f9590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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5 . 设全集
,集合
,
.
(1)若
,求a的取值范围;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de19d960f335bbfd921d9fd4e89a41c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c085a3a5ad2be59fbd2891e7af8f5e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901e42fd7af6dbb3ac34bd1b3764a98f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
您最近一年使用:0次
解题方法
6 . 设全集为R,集合
,
.
(1)求
和
;
(2)已知
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3454293d25ee65ac663f6da2e765587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45eb073afa85503f803201b9ac5b7685.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbda134188d64c2c27e61fd9dd2497be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199a813a79dabfc201117165f6789362.png)
您最近一年使用:0次
解题方法
7 . 给出下列命题
(1)命题“
,
”的否定是“
,
”
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b804002ee3d72ff947cfc8426f90047c.png)
(3)已知
,
,若
,则a的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a568a870b0c247e1abaf4bf65b83865.png)
其中正确命题的序号为( )
(1)命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490565d4714ffcbadb26fdfca443856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490565d4714ffcbadb26fdfca443856.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b804002ee3d72ff947cfc8426f90047c.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0820285d82c98efc92ee43db58418fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f4cde12869125b1eebc2c6c8ae22cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a568a870b0c247e1abaf4bf65b83865.png)
其中正确命题的序号为( )
A.(2)(3) | B.(2) | C.(1)(3) | D.(1)(2) |
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8 . 设集合
为非空数集,定义
.
(1)若集合
,直接写出集合
及
;
(2)若集合
且
,求证
;
(3)若集合
且
,求
中元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e32ae0e537ab483485e3dc6628b2f3a.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265e81e52218232e16c78f57b3aa0de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b26ea9b3e6e286874c5dca1badea723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16289945d1d1c529fb1bfd4d828f413.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77239c98c78a026cc03336edca067ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9473a5974fa9c4286f90f6a3637411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1868c8a0db983c9cc2695294fa03b1.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce46889ee6889ca41c5bd19eaf0e242f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4d331fa6921e8ebc0b1fc4affd22ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
名校
解题方法
9 . 若集合
,
.
(1)当
时,求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a0494d5841d5da0989333aa868e5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9bbf7fd6e4beaf788b09b29786eb67.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
2023-09-25更新
|
248次组卷
|
4卷引用:北京市中央民族大学附属中学2023-2024学年高一上学期10月月考数学试题
名校
10 . 集合
,集合
,
(1)若
,求实数
的取值范围.
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d07d47cf1658f524d65d693cca1e634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b25923760f64f5ad71024bd290521.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-08-30更新
|
4322次组卷
|
7卷引用:北京市第二中学2023-2024学年高一上学期第一学段考试数学试卷
北京市第二中学2023-2024学年高一上学期第一学段考试数学试卷北师大版(2019) 必修第一册 数学奇书 第一章 预备知识 §1 集 合 §1.3 集合的基本运算 第1课时 交集与并集辽宁省六校协作体2023-2024学年高一上学期10月联考数学试题(已下线)1.3集合的基本运算【第三练】(已下线)专题01 集合-期中考点大串讲(苏教版2019必修第一册)四川省泸州市叙永第一中学校2023-2024学年高一上学期期末数学试题江西省宜春市百树学校2024届高三上学期开学考试数学试题