Деление и сложение дробей
Изживаем на примере этой задачи предрассудок о невозможности успеха на экзамене в решении задач задания 18
6 years ago 00:03:01 157
8 years ago 00:54:50 20
5 years ago 00:11:47 10
5 years ago 00:11:28 10
3 years ago 00:08:28 15
2 years ago 00:14:43 68
6 years ago 00:09:59 15
8 years ago 00:28:49 70
5 years ago 00:13:37 31
10 years ago 00:03:49 123
5 years ago 00:12:56 9
4 years ago 00:09:49 36
4 years ago 00:18:21 43
5 years ago 00:22:10 2
4 years ago 00:03:00 30
3 years ago 00:10:29 16
5 years ago 00:04:20 25
11 years ago 00:03:01 186
8 years ago 00:59:40 40
2 years ago 00:03:16 9
8 years ago 00:05:40 3
9 years ago 00:03:01 506
9 years ago 00:06:30 218
9 years ago 00:04:47 20
