Устный счёт. Как быстро возвести число в квадрат?
Метод соседних квадратов.
Возведение в квадрат чисел,кратных 5.
3 months ago 00:06:51 1
3 months ago 00:11:47 1
3 months ago 00:08:14 1
4 months ago 00:10:56 1
4 months ago 00:11:18 1
4 months ago 00:10:06 3
4 months ago 00:33:27 1
4 months ago 00:16:34 1
4 months ago 00:03:55 1
4 months ago 00:05:56 1
4 months ago 00:06:14 1
4 months ago 00:38:53 1
4 months ago 00:53:06 1
5 months ago 00:12:44 1
5 months ago 00:08:10 1
5 months ago 00:19:30 1
5 months ago 00:13:23 1
5 months ago 00:12:15 1
5 months ago 00:04:24 1
5 months ago 00:01:52 1
5 months ago 01:43:36 1
5 months ago 00:06:50 1
5 months ago 00:02:40 2
6 months ago 00:16:12 1
