Свойства сложения 2 класс
Познакомить переместительным и сочетательным свойствами сложения, показать значение данного приема при вычислениях.
4 weeks ago 00:08:50 1
4 weeks ago 01:17:52 1
1 month ago 00:55:24 1
1 month ago 02:10:42 4
2 months ago 00:30:05 1
2 months ago 00:23:26 1
2 months ago 01:28:52 61
2 months ago 01:30:50 2
2 months ago 00:02:30 1
2 months ago 00:13:32 1
2 months ago 00:16:06 2
2 months ago 00:09:27 1
2 months ago 00:08:31 1
2 months ago 00:26:26 1
1 month ago 01:34:50 1
3 months ago 00:09:40 1
3 months ago 01:37:27 38
3 months ago 02:29:31 1
3 months ago 02:41:22 1
3 months ago 02:09:49 1
3 months ago 00:45:08 1
4 months ago 00:34:35 1
4 months ago 00:17:19 1
4 months ago 00:08:02 2
