打开App
360P
90个大人吃90个包子，2个大人吃3个，3个小孩吃2个，这样的题蒙了
这道题比较难，用画图分组的方法轻松做出来
考试准备题137/234
App03:17
App02:40
App01:28
App03:25
App02:01
App01:53
App02:21
App02:07
App03:37
App02:36
App02:49
App02:41
App01:14
App01:20
App05:35
App01:14
App02:27
App02:05
App03:12
App01:25
App01:53
App01:59
App02:14
App02:24
App02:26
App02:00
App03:03
App01:28
App02:03
App01:36
App02:12
