Ментальная арифметика. Двузначные на счётах
Наши ученики из младшей группы сдают зачёт по ментальной арифметике, первый уровень.
4 weeks ago 00:36:45 1
4 weeks ago 00:01:45 1
1 month ago 00:06:26 1
1 month ago 00:01:00 1
1 month ago 00:14:00 6
1 month ago 00:12:15 1
1 month ago 00:04:42 1
1 month ago 00:18:40 1
2 months ago 00:05:11 1
2 months ago 00:02:00 1
2 months ago 01:10:05 1
2 months ago 00:01:31 1
2 months ago 00:01:33 9
2 months ago 00:01:00 1
2 months ago 00:04:42 1
2 months ago 00:00:00 1
2 months ago 00:01:09 2
2 months ago 00:01:08 1
2 months ago 00:01:09 1
3 months ago 00:01:21 1
3 months ago 00:01:27 1
3 months ago 00:07:20 1
3 months ago 00:04:21 1
3 months ago 00:04:51 4
