Умножение на 12
Простой способ вычисления произведения при умножении любого числа на 12 по системе быстрого счета, разработанной Яковом Трахтенбергом.
5 months ago 00:12:01 1
5 months ago 00:26:18 1
5 months ago 00:12:59 1
5 months ago 01:08:04 1
5 months ago 00:04:01 1
5 months ago 00:07:16 1
5 months ago 00:14:24 1
5 months ago 00:05:41 1
5 months ago 00:00:31 1
5 months ago 00:31:10 1
5 months ago 00:46:34 1
5 months ago 00:19:07 2
5 months ago 00:03:00 1
5 months ago 00:13:24 1
5 months ago 00:11:47 1
5 months ago 00:05:30 1
5 months ago 11:59:59 1
5 months ago 03:58:57 1
5 months ago 00:00:32 1
5 months ago 02:02:29 1
5 months ago 00:28:02 1
5 months ago 00:04:34 1
5 months ago 00:03:53 1
5 months ago 00:06:21 1
