Проморолик: Всероссийский химический диктант 2019
Зарегистрируйтесь для участия по ссылке:
Плейлист по химии:
11 months ago 00:04:11 1
11 months ago 00:03:23 1
11 months ago 00:03:45 1
11 months ago 00:15:30 1
11 months ago 00:01:31 2
12 months ago 00:25:48 7
12 months ago 00:02:51 1
12 months ago 00:00:41 5
1 year ago 00:01:18 13
1 year ago 00:03:44 4
1 year ago 00:00:31 1
1 year ago 00:01:20 5
1 year ago 00:02:29 1
1 year ago 00:05:56 8
1 year ago 00:01:00 1
2 years ago 00:02:53 1
2 years ago 00:00:53 275
2 years ago 00:02:01 55
2 years ago 00:02:26 1
2 years ago 00:00:30 1
2 years ago 00:00:55 6
2 years ago 00:06:41 212
2 years ago 00:02:05 1
2 years ago 00:18:59 1
