打开App
360P
若|a|=3，|b|=2，|c|=4，且|a+b-c|=a+b-c，怎么求a+b+c的值？
七年级数学，若|a|=3，|b|=2，|c|=4，且|a+b-c|=a+b-c，怎么求a+b+c的值？
数学7年级上册：相反数，数轴，绝对值化简，培优拓展经典考试题2/257
App04:30
App04:54
App02:38
App02:24
App03:01
App01:17
App09:00
App05:16
App09:44
App02:17
App02:22
App01:45
App05:00
App03:09
App02:56
App04:17
App03:02
App04:54
App03:11
App02:58
App01:55
App03:56
App05:29
App03:28
App07:48
App02:43
App05:25
App04:00
App02:35
App04:51
App03:09打开App观看
