已知集合
,
,
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350fdf140dac3d56ffa467a380d3adac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de82c0cdb265f4d1177ae30f91874e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3928575fcda9034d9b6aab5bcaa9d64a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-01-25 14:32:46
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】对于任意集合
,设
,已知集合
,则对任意的
,下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e5adbefb4b336cbc1e23077d1dfcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7fb785a3ae10faaeef1eabb8cdb6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd9b15b5cdf1c131ebf7cf2776cf7a4.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】下列关系中,正确的个数为
①
∈R ②0∈
③{-5}⊆Z ④∅ ={∅} ⑤∅∈{∅}
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78c38805c09dcfbcc42103308975a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed93dc9a50ccd47278f9a9d3c941d94.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】已知集合
,
,5,6,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7537983149a413fbeb762027cc935b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf2ee3d7dc40d56e24491b9263bf5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d563e5da8ab804e1c069137f3793508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐3】已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f65fa87a9f8d04921e42c0f7ee31b5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b2fe199182b541249957260ea18735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.[-2,4) | B.[-2,4] | C.![]() | D.(-1,4] |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】向某50名学生调查对A,B两事件的态度,其中有30人赞成A,其余20人不赞成A;有33人赞成B,其余17人不赞成B;且对A,B都不赞成的学生人数比对A,B都赞成的学生人数的三分之一多1人,则对A,B都赞成的学生人数为( )
A.18 | B.19 | C.20 | D.21 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03841f1cf84fbac45bc0aa91fe398c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecad9066994acf9cb24cd79265a1f5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐1】已知R是实数集,集合
,B=
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6942a3d0a33c9dd65d51d4e71a94c3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5deeeb793c99cfeb7113900269784114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e8800c27468562f810d78a2a666300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c795beb204990d135a4e25e905d4d597.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次