About math skills results of 10,000
20:57
15:58
12:16
13:23
14:38
18:36
10:11
11:58
10:20
13:26
18:16
16:14
14:54
14:39
11:31
16:51
19:03
11:15
13:33
14:16
11:25
12:52
15:24
10:41
28:18
13:12
12:24
15:45
18:28
13:02
12:01
11:19
30:38
14:24
13:29
45:00
15:18
15:37
23:49
13:03
13:40
13:20
12:49
13:26
14:29
15:35