1 . 如图,已知
是实数集,集合
,
,则阴影部分表示的集合是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/b2941677-a9ee-45e9-b13a-b4dcce4218d4.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4871cb5ac28a552836bdc4bd27d23cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b6dc928a7ad12c8d830b21f5de439f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/b2941677-a9ee-45e9-b13a-b4dcce4218d4.png?resizew=181)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 设集合
,集合
,则集合
等于
![](https://img.xkw.com/dksih/QBM/2015/3/17/1572008595439616/1572008600944640/STEM/a327f74f4db44762854a7f5fef3f75ac.png)
![](https://img.xkw.com/dksih/QBM/2015/3/17/1572008595439616/1572008600944640/STEM/0367d955acb047549d8578eaf2f40ef1.png)
![](https://img.xkw.com/dksih/QBM/2015/3/17/1572008595439616/1572008600944640/STEM/5676629b2ad543c1857d6bf535f96ad4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知命题
:
;
:
.
(1)若“
”为真命题,求实数
的取值范围;
(2)若“
”为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d1f261192a864c9fdde57dfe8386c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3492f5d720cb38a262bab89391b3b5e3.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-02-28更新
|
255次组卷
|
2卷引用:内蒙古乌兰察布市2021-2022学年高二上学期期末考试数学(理)试题
4 . 已知条件
,条件
,且
是
的一个必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b1fa9cbfaf17d9a80254da5838516e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba22ffc8dfca3258ddeedc40d7be5ea.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
2016-12-04更新
|
433次组卷
|
3卷引用:2016-2017学年内蒙古赤峰二中高二理上月考一数学理试卷
名校
5 . 已知集合
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bd633302d5d4ef402b1e41c058546a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
257次组卷
|
3卷引用:内蒙古自治区呼和浩特市第一中学2020-2021学年高一上学期期中数学试题
名校
解题方法
6 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ec6b6c12a2d0787156bcb1c7e2a5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.(-3,2) | B.(-1,2) | C.(-3,-1) | D.(-1,2) |
您最近一年使用:0次
名校
解题方法
7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c509e2d17135da9ef887c44c80abc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cfa5dbde2028e1825f5fb254ed6fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-02-16更新
|
713次组卷
|
2卷引用:内蒙古赤峰二中2018届高三上学期第二次月考数学(理)试题
8 . 如图所示的韦恩图中,
、
是非空集合,定义
*
表示阴影部分集合.若
,
,
,则
*B=.
![](https://img.xkw.com/dksih/QBM/2015/1/14/1571961687187456/1571961692667904/STEM/df534e65f90e405bb8677c03e1da4e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee0f61ce98eccacae2dd9f15dd43a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457d9d7d1236d1f0ba9492db96d2150a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bdcd0a3833f78a621171e3b0749de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/2015/1/14/1571961687187456/1571961692667904/STEM/df534e65f90e405bb8677c03e1da4e8a.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
名校
9 . 已知关于x的方程
在
上有两个不同的实数解,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c3e0a59e86ee07ab0ffaad6687ac6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01b6fb6a1c7a895df528382a5583444.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 求关于x的不等式的解集:
(1)已知集合
,则求集合P;
(2)设数轴上点A与实数3对应,点B与实数x对应,已知线段AB的中点到原点的距离不大于5,求x的取值范围.
(1)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cde9476fe8509f06a9de1a303b03bb.png)
(2)设数轴上点A与实数3对应,点B与实数x对应,已知线段AB的中点到原点的距离不大于5,求x的取值范围.
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