Проморолик: Всероссийский химический диктант 2019
Зарегистрируйтесь для участия по ссылке:
Плейлист по химии:
5 months ago 00:08:18 1
5 months ago 00:12:42 1
6 months ago 00:00:40 1
6 months ago 00:15:44 1
6 months ago 00:01:49 5
8 months ago 00:01:00 7
8 months ago 00:01:02 1
10 months ago 00:14:50 2
11 months ago 00:02:29 1
11 months ago 00:03:00 2
11 months ago 00:01:36 11
1 year ago 00:03:28 1
1 year ago 00:04:11 1
1 year ago 00:03:23 1
1 year ago 00:03:45 1
1 year ago 00:01:31 2
1 year ago 00:25:48 9
1 year ago 00:02:51 1
1 year ago 00:00:41 6
1 year ago 00:01:18 15
2 years ago 00:03:44 4
2 years ago 00:00:31 1
2 years ago 00:01:20 19
2 years ago 00:05:56 13
