已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9e6ad1166c7625e63b80e75b2fb1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd5489542bf949bb8a2c5fc8d5c1771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2020·全国·模拟预测 查看更多[2]
更新时间:2021-01-13 19:36:15
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单选题
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较易
(0.85)
解题方法
【推荐1】已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c1de789a639b1381f0d0456e9a40dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef019ed3a4844fb71ae296b93cc378d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8886b10cead40b74e606c06d76efa2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】设集合
,集合
,定义
,则
中元素的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d90ff243b30c5448d90ab17e3d442ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cb9b465e55e77f6ffd89a8bc14f469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733b0583afc6529d6812ef745a4dac5e.png)
A.7 | B.10 | C.25 | D.52 |
您最近一年使用:0次