打开App
360P
趣味数学之植树问题⑥：从1楼爬到5楼需要多久呢？4个间隔3分钟
本节的内容主要讲述的是小学趣味数学（多为思维训练的题目），可以尝试让孩子做一做，很有挑战意义；本节涉及的是植树问题⑥：从1楼爬到5楼需要多久呢
小学趣味数学：奥数精炼，让孩子打开思维，爱上数学学习206/373
App01:48
App01:22
App02:01
App01:47
App01:34
App01:55
App01:21
App02:13
App02:28
App01:50
App01:45
App01:27
App02:28
App01:35
App02:25
App05:43
App02:59
App02:26
App03:05
App05:46
App04:09
App04:29
App03:53
App02:44
App04:29
App11:00
App04:01
App03:06
App04:32
App03:16
App03:49打开App观看
