1 . 设集合
,若
,则实数m的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047721dfc1a9638d54cd4ddc1ba0e471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次
2 . 已知
,当
时,
与
视为不同的对,则这样的
对的个数有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c04cd095ee0f284135b1112930621d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7113de81db260e6666292f39b447b848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41be4f4fbf21555f325caf280c392c00.png)
您最近一年使用:0次
2019-01-28更新
|
324次组卷
|
2卷引用:2018年全国高中数学联赛湖南省预赛A卷