About extremum problems results of 10,000
12:04
14:16
11:08
18:06
13:13
12:10
14:47
11:26
08:43
11:46
13:03
11:18
11:24
11:26
11:26
12:25
11:12
13:30
12:39
20:44
12:20
10:01
09:44
12:54
13:58
10:25
13:05
11:48
10:09
10:16
11:22
10:35
13:45
13:44
12:33
12:23
16:15
08:59
10:24
09:37
11:01
11:20
11:50
10:57
14:10
11:30