若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6104538fb9b39de1913f538eaed7e077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6909a8288954446152138e72e06f7ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-11-12 15:06:53
|
相似题推荐
单选题
|
容易
(0.94)
解题方法
【推荐1】已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2feca29dcbf41eebe9bdb162d405e5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d73daf66ba8e6ef983d2161e8272e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.(0,2) | B.(-2,e) | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】已知集合A={1,2,3},B={x|
},则A
B=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dac77366c746161a381e0589d63e451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
A.{1,2,4} | B.{1,2,3,4} | C.{ 3,4} | D.{3} |
您最近一年使用:0次