Как перемножать в уме числа близкие к сотне
Например, 96 на 94 или 103 на 107.
11 months ago 00:00:42 1
11 months ago 00:14:40 5
11 months ago 00:05:05 1
11 months ago 00:00:59 1
11 months ago 00:05:42 1
11 months ago 00:03:18 1
11 months ago 00:10:18 1
12 months ago 00:01:22 1
12 months ago 00:03:22 1
12 months ago 00:15:11 5
12 months ago 00:10:09 7
12 months ago 00:05:52 1
12 months ago 00:12:39 1
12 months ago 00:03:11 2
12 months ago 00:04:43 1
12 months ago 00:02:51 1
12 months ago 00:16:23 1
12 months ago 00:05:30 1
12 months ago 00:03:11 1
12 months ago 00:09:44 1
12 months ago 00:09:01 1
12 months ago 00:10:29 1
12 months ago 00:02:58 1
1 year ago 00:02:33 1
