filmov
tv
Suppose that 20 pillars of the same height have been erected along the boundary of a circular
Показать описание
Suppose that 20 pillars of the same height have been erected along the boundary of a circular stadium. If the top of each pillar has been connected by beams with the top of all its non-adjacent pillars, then the total number of beams is
0:01:58
0:02:47
0:02:26
0:05:40
0:04:12
0:01:31
0:01:54
0:03:24
0:03:31
0:04:37
0:28:01
0:00:30
0:01:08
0:13:41
0:03:25
0:10:49
0:10:33
0:04:11
0:02:52
0:39:06
0:20:53
0:16:21
1:08:52
0:23:05