Письменное вычитание с заниманием единицы через несколько разрядов
Математика, 4 класс
5 months ago 00:07:31 1
6 months ago 00:05:06 1
6 months ago 00:03:21 9
8 months ago 00:03:13 1
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10 months ago 00:04:56 1
10 months ago 00:06:21 1
11 months ago 00:02:00 1
11 months ago 00:01:33 1
12 months ago 00:16:48 1
12 months ago 00:07:26 1
12 months ago 00:08:47 1
12 months ago 00:03:39 1
12 months ago 00:10:12 1
12 months ago 00:07:01 2
12 months ago 00:01:46 1
1 year ago 00:04:00 1
1 year ago 00:05:44 1
1 year ago 00:04:26 1
1 year ago 00:04:27 4
1 year ago 00:04:46 1
1 year ago 00:08:31 1
1 year ago 00:07:46 1
1 year ago 00:03:19 1
