1 . 已知集合
,集合
.若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df97a91fe36e56bae8bbfcfa01651eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b232e868f18f43a3cc1f1769123e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 设集合
,集合
,则使得
的
的所有取值构成的集合是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41855a5a8c8dda99f3a8e658b0a16f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7886bf1c2dcc1f2ca0905bfbc95298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2017-02-08更新
|
736次组卷
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6卷引用:重庆市北碚区2019-2020学年高二上学期期末数学试题
解题方法
3 . 设条件
;条件
.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/03c3679e4cddae4e111e02db7eba8a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e81e0aac8a99503a9cfd591962061a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 设集合
,
,
,若
.
(1)求
的概率;
(2)求方程
有实根的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcae5b69fac0400ac74159611d71f481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a34d72fbcc499f581aa20701ffce3b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65a167c8e6032c9b356bea2747d7a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c743e25390d0a21192313e0d0c2a7204.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05d3b8f5c9df891ef6fbcaf12f43207.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b800b7d6a688abf8a3018c133cec9e.png)
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2010·河南郑州·一模
名校
5 . 已知集合A={2,3},B={x|mx﹣6=0},若B⊆A,则实数m=
A.3 | B.2 |
C.2或3 | D.0或2或3 |
您最近一年使用:0次
2016-12-04更新
|
819次组卷
|
10卷引用:2015-2016学年湖北省襄阳五中高二5月月考文科数学试卷
2015-2016学年湖北省襄阳五中高二5月月考文科数学试卷(已下线)2011届河南省郑州市高三第一次质量预测数学文卷2015-2016学年河北省保定市三中高一上学期期中考试数学试卷安徽省亳州市2016—2017学年高一上学期期中考试数学试题人教B版(2019) 必修第一册 必杀技 第一章 1.1.2集合的基本关系河北省张家口市尚义县第一中学2019-2020学年高一上学期期中数学试题吉林省吉林市第二中学2020-2021学年高一上学期9月月考数学试题福建省莆田砺志学校2020-2021学年高一上学期第一次月考数学试题江苏省连云港市灌南高级中学2021-2022学年高一上学期第一次月考数学试题海南省海口市秀英区部分校2022-2023学年高一上学期9月份检测数学试题
6 . 设
实数
满足
(其中
),
实数
满足
.
(1)若
,且
为真,求实数
的取值范围;
(2)已知“若
,则
”是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b29421d8f6b70eac6746039ddfeb451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bc76924c4c16376c7b4d5c4f023d72.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a31351c3868449fd115650c13152be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)已知“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-04更新
|
376次组卷
|
3卷引用:2016-2017学年河北武邑中学高二9月月考数学(理)试卷1
名校
7 . 设全集为
,集合
,
.
(1)求
;
(2)已知
,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/eec177dacc3a68d1e0a178bcb8085170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d73de1b820a78e084318bf94f42fb0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedf1176ff497d9fa4510e57ba90267a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1dd6b0b695276e85d5db8ea4d8274c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781ef05d13904b9082c3d7b30aa3c2ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
299次组卷
|
4卷引用:【全国百强校】山东省寿光现代中学2017-2018学年高二6月月考数学(文)试题
8 . 已知集合
,
,
(1)当
时,求
和
;
(2)当
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96a0b420170bd9aefd338ac0e753b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925dc8db7394799b235cdeb569016a28.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8489e291d540e36c33cd17b037c1e9cf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e85bfa29cffc5bb557dd0565a01dcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知全集为实数集R,集合
,
.
(1)分别求
,
;
(2)已知集合
,若
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/10/11/1573062719299584/1573062725517312/STEM/7c87ea6dd534488bb717962b9403bea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92907aeed176dd1defb60008159aa1c8.png)
(1)分别求
![](https://img.xkw.com/dksih/QBM/2016/10/11/1573062719299584/1573062725517312/STEM/ccb5779ea98a4383bf46cec39f4662eb.png)
![](https://img.xkw.com/dksih/QBM/2016/10/11/1573062719299584/1573062725517312/STEM/924261df65354ebb87dcc9093882ce78.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e39aada142c029dba45cde49bfa95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ab7ec305eed969ece0f4827d444a6b.png)
![](https://img.xkw.com/dksih/QBM/2016/10/11/1573062719299584/1573062725517312/STEM/0874b72d465e470499cafce7965c5f5f.png)
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解题方法
10 . 设A={1,4,2x},若B={1,x2},若B
A,则x的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980d8446f130dfc405c196109e73ea4.png)
A.0 | B.-2 | C.0或-2 | D.0或±2 |
您最近一年使用:0次
2016-12-04更新
|
312次组卷
|
5卷引用:2015-2016学年河南新乡一中高二重点下七次周练文数学卷
2015-2016学年河南新乡一中高二重点下七次周练文数学卷2016届辽宁省实验中学分校高三上学期期中文科数学试卷2016届宁夏银川九中高三上第四次月考文科数学试卷(已下线)卷01 集合与常用逻辑用语 章末复习单元检测(易)-2021-2022学年高一数学单元卷模拟(易中难)(2019人教A版必修第一册)天津市南开区南大奥宇培训学校2020-2021学年高三上学期第二次月考数学试题