打开App
8年级数学：确定自变量的取值范围，是求二次根式有意义的条件
本节的内容主要讲述的是八年级下册第一章的内容：二次根式，在本小节中涉及的是二次根式有意义的条件；不要忽视一些隐含的条件，例如，分母不为0；
8年级数学：人教版下册章节复习，同步+培优，分层练习，查漏补缺25/61
App01:56
App02:18
App01:56
App01:13
App03:41
App06:42
App03:14
App01:57
App02:39
App02:04
App03:00
App01:52
App04:16
App02:08
App02:31
App02:08
App06:52
App04:38
App05:23
App07:38
App02:42
App04:54
App03:37
App04:06
App04:17
App03:30
App02:24
App02:08
App05:26
App02:54
App03:11打开App观看
