1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c0e1038c264580104c4b0f219019c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca71df6f20d199d332753c64c7563a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-11-25更新
|
231次组卷
|
2卷引用:贵州省黔西南自治州兴仁市凤凰中学2019-2020学年高一上学期第一次月考数学试题
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2 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b67caa7a1283447b9269ec01717541a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-11-23更新
|
587次组卷
|
7卷引用:贵州省遵义市南白中学2019-2020学年高二上学期第三次月考数学(理)试题
3 . 已知集合
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50895eec80df1c5ed474cf3bdebb5dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa593a49c5433f8c0262a5acf30b2f8b.png)
A.![]() | B.{a,b,d} | C.{![]() | D.{c} |
您最近一年使用:0次
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4 . 已知
,
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0b72ad98be2828a4b66037abb258b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b619e458151dc29ccb3178139f5d2ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c68db0c695d9c91cca7bb024ecbc61.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-11-20更新
|
729次组卷
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3卷引用:贵州省黔西南布依族苗族自治州兴义市第八中学2019-2020学年高一上学期期中数学试题
5 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5dec2f2ac69453d394a36054117a367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9890292d61d0e56101653c1dc9d1a78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-11-05更新
|
378次组卷
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5卷引用:安徽省皖南八校2019-2020学年高三上学期第一次联考数学(文)试题
6 . 若集合A={x|-3<x<3},B={x|(x+4)(x-2)>0},则A∩B=( )
A.{x|-3<x<2} |
B.{x|2<x<3} |
C.{x|-3<x<-2} |
D.{x|x<-4或x>-3} |
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2020-10-10更新
|
342次组卷
|
3卷引用:2015-2016学年贵州省遵义四中高二下期中文科数学试卷
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7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1876fdf2253fc4745de724efb39ec165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc4c39484be6b3b66f30fc7c5387e4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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8 . 已知
,设集合
,
.
(1)记集合
,求集合
的子集个数;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7c4e9a1ae8581cfa2422529af5af36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d0c311063bab19ff71aabb3b07e813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f599ac2e4744c6548a6ae19ab9ec0a.png)
(1)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1559c1c2da749cf45deb87a156a19f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ed5930525a04c8fa26e535147e3085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9 . 已知非空集合
,
,若
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fc16284612f42b57c1e1d201208cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8315118350eb972de5319eaae27c12da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4815b1d16a7ae485ff0bba0b397e893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D. ![]() |
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10 . (1)已知
为全集,
,
,求
;
(2)设集合
,
,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c5176a9167b00a6cdb78c21231fe9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b16a89377b44ea4617148631cf6c23e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b569bd1df594e70666e9f6ea3d851a4.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21931a5a185d26956d87fa23676b9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa21866a95700e7c6a92466fe264706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015b3900cbc2ebd24ea23b041aafea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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