打开App
360P
七年级数学：如果x²+mx+1=(x+n)²，且m＞0，怎么求n的值？
七年级数学：如果x²+mx+1=(x+n)²，且m＞0，怎么求n的值？
初中数学，完全平方公式，基础训练，培优专题26/139
App04:53
App02:06
App03:23
App02:12
App03:02
App03:25
App02:56
App05:08
App04:45
App03:06
App03:25
App04:00
App02:47
App02:23
App02:29
App03:23
App03:17
App01:52
App02:49
App03:17
App02:55
App03:31
App02:01
App03:44
App03:46
App02:59
App03:11
App02:22
App02:46
App02:51
App02:28打开App观看
