解题方法
1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243235005aecbc835d86b23f10c112bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f79a1189e5cb08241bb19e39e54469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 集合
,集合
,则集合
中元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2f971e973fdb9055efb7a8e132ddcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8b9ebb3a2ba3fc15edebd1a2a0503b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2023-11-03更新
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391次组卷
|
3卷引用:黄金卷03