About kids problem solving results of 10,000
05:42
00:31
07:52
07:30
03:56
02:25
08:50
04:06
03:10
06:36
02:26
16:47
08:29
07:34
04:14
03:43
02:00
04:40
08:37
20:32
17:45
14:12
06:54
05:44
00:58
07:42
02:21
07:10
03:15
02:18
03:23
02:13
08:09
07:58
07:02
03:33
07:49
07:45
06:40
08:27
04:22
08:01
04:48
05:01
09:30
05:56