1 . 若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a347415d58194ed9483683de062437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfab8fc6a83fa6d678ec84898aaf4cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfabfa20486cf912edfc7b8e41fbdc5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知
,
,若
成立,则实数
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1729635748352c9c58f6c2bbc6983953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38403af9dca6276c429567e379755070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2019-04-13更新
|
1106次组卷
|
3卷引用:安徽省阜阳市第一中学2018-2019学年高二下学期期中考试数学(理)试题