About extremum problems results of 10,000
11:03
13:54
12:45
13:14
10:58
11:30
10:25
11:28
10:43
10:47
11:58
16:24
13:32
12:59
10:13
12:10
13:04
09:38
10:26
10:16
12:52
12:20
11:54
16:09
13:44
14:27
14:52
09:51
09:36
13:32
09:52
10:16
12:31
13:38
14:03
09:53
11:34
11:40
11:29
17:15
13:16
10:38
11:37
14:45
10:21
11:42