Сложение и вычитание в пределах 20
Последний, 20 урок курса “Устный счёт, 1 класс“.
Задания к уроку:
Онлайн курсы по быстрому устному счёту для 1-5 классов:
2 months ago 00:37:04 1
2 months ago 00:00:00 1
2 months ago 00:01:00 3
3 months ago 00:44:01 1
3 months ago 00:01:54 1
3 months ago 00:01:42 1
3 months ago 00:03:26 1
3 months ago 00:20:36 1
4 months ago 00:11:03 1
4 months ago 00:02:04 1
4 months ago 00:06:09 1
4 months ago 00:38:05 1
4 months ago 00:35:07 1
4 months ago 00:58:40 1
4 months ago 00:12:23 1
4 months ago 00:09:27 1
4 months ago 00:31:56 3
4 months ago 00:31:43 3
4 months ago 00:11:06 1
4 months ago 00:07:29 1
4 months ago 00:00:21 1
4 months ago 00:02:12 5
4 months ago 00:32:55 1
4 months ago 00:03:16 2
