Умножение на 9 на пальцах
Старый и многим известный трюк. Очень просто выучить таблицу умножения на 9 при помощи пальцев.
5 years ago 00:07:33 9
8 years ago 00:54:50 20
7 years ago 00:08:20 22
5 years ago 00:03:10 59
6 years ago 00:06:02 47
4 years ago 00:05:30 9
5 years ago 00:22:01 109
4 years ago 00:05:20 12
10 years ago 00:02:53 139
8 years ago 00:02:25 105
5 years ago 00:04:52 15
4 years ago 00:03:01 10
3 years ago 00:02:39 10
4 years ago 00:03:23 17
4 years ago 00:11:42 17
13 years ago 00:00:51 43
5 years ago 00:31:51 9
6 years ago 00:06:59 1
3 years ago 00:04:14 36
5 years ago 00:06:57 21
9 years ago 00:02:40 28
3 years ago 00:03:41 9
5 years ago 00:07:14 9
7 years ago 00:07:54 41
