Приемы быстрого счета.
Рассмотрим приёмы, при помощи которых можно быстро складывать, умножать и делить числа.
1 month ago 00:15:23 1
1 month ago 00:15:57 1
1 month ago 00:07:21 1
1 month ago 00:07:47 1
1 month ago 00:16:33 1
1 month ago 01:03:49 1
1 month ago 00:19:58 1
1 month ago 00:05:41 1
1 month ago 00:12:41 1
1 month ago 00:12:34 1
1 month ago 00:18:37 1
1 month ago 00:16:39 1
1 month ago 00:11:12 1
1 month ago 00:10:13 1
1 month ago 00:27:07 1
1 month ago 00:07:27 1
1 month ago 00:02:09 1
1 month ago 00:09:36 1
1 month ago 00:00:29 1
1 month ago 00:20:46 1
1 month ago 00:00:51 1
1 month ago 00:06:09 1
1 month ago 00:17:04 1
1 month ago 00:14:59 1
