问题详情

函数的定义域为( ).


<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/1/image002.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/1/image003.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/1/image004.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/1/image005.png" alt="" align="middle">

时间:2021-07-17 19:20 关键词:

答案解析

<img src="http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/1/image002.png" alt="" align="middle">