Проморолик: Всероссийский химический диктант 2019
Зарегистрируйтесь для участия по ссылке:
Плейлист по химии:
5 years ago 00:02:29 201
6 years ago 00:01:22 14
4 years ago 00:04:53 1
4 years ago 00:02:13 1
3 years ago 00:06:41 213
3 years ago 00:01:31 8
6 years ago 00:02:29 12
4 years ago 00:02:10 24
6 years ago 00:02:39 1
4 years ago 00:03:00 48
8 years ago 00:00:55 199
4 years ago 00:02:00 1.4K
10 years ago 00:03:52 1.9K
7 years ago 00:04:40 1.4K
4 years ago 00:01:00 4
5 years ago 00:02:39 48
8 years ago 00:05:30 21
5 years ago 00:00:47 2
5 years ago 00:02:17 43
10 years ago 00:01:22 59
3 years ago 00:02:05 25
12 years ago 00:03:07 56
11 years ago 00:01:28 74
4 years ago 00:00:56 11
