1 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b758278ccfe9e90503755219e68e84.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b758278ccfe9e90503755219e68e84.png)
您最近一年使用:0次
2 . 计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd79a6662963594ad64f9b547860243.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd79a6662963594ad64f9b547860243.png)
您最近一年使用:0次
11-12高二·上海·期末
3 . 已知极限
存在,则实数
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d9a8c2620cd8537f23890dc48514b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9af8c3fbdb748fd11e2423de063616.png)
您最近一年使用:0次
9-10高三·重庆·阶段练习
4 . 已知
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecea1a3d9caa27a65236b8a1457353c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1556c6b7e455dba9fede08b3250e75.png)
您最近一年使用:0次