About extremum problems results of 10,000
11:49
10:13
13:58
11:35
11:45
11:37
10:32
09:54
11:55
11:55
12:24
12:00
10:35
11:56
16:54
14:53
10:19
10:53
08:21
16:23
08:50
16:20
09:43
14:22
09:18
09:44
14:55
12:58
10:03
10:16
10:45
09:22
10:34
10:26
10:40
10:01
15:40
10:50
13:38
14:39
16:29
11:59
15:06
08:58
13:11
11:26