About kids problem solving results of 10,000
04:54
09:20
03:39
05:13
09:56
10:49
04:13
01:11
07:14
01:56
03:27
07:30
04:18
02:57
04:09
07:11
03:21
01:25
25:13
11:13
06:01
06:28
02:35
05:10
13:20
02:10
03:18
11:14
01:38
27:50
08:49
08:31
08:03
11:01
12:24
09:17
04:45
05:27
04:21
04:54
03:56
08:50
15:03
09:47
04:00
16:47