About math skills results of 10,000
16:55
18:26
13:52
13:28
14:27
14:54
15:19
11:45
15:30
13:35
12:23
13:39
10:27
48:40
13:09
15:14
12:13
15:40
12:36
13:46
13:44
15:01
20:44
16:16
21:08
13:33
16:19
16:59
17:48
30:13
11:57
17:13
18:40
13:51
13:21
15:34
13:57
14:35
15:49
12:54
15:53
12:16
16:15
26:40
14:39
13:46