名校
解题方法
1 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a620cf4e7f0ae73c2f647646abcd55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb58e14b1d4e46c97cbb44615c0bf5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef74e359b347e0f35b30983329acc367.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-09-19更新
|
1254次组卷
|
8卷引用:2022年浙江省温州市摇篮杯高一数学竞赛试题
2 . 设集合
或
,集合
,且
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351c585ecf911021dcc12b3973ee521d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac3e627026a67df982843808f5115d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2161377f24aa900b34b66e375ae54e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0533f17d60a28bb076f03484d97b63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次