若极限,则函数处( )
·不一定可导;
·不一定可导,但·不一定可导,但·不一定可导,但<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14830912648208d9f3cee94324029b31ac1bba8e2d4cdimage80.png" .
出自:佳木斯大学语言治疗学