Основы ОВР
2 weeks ago 00:52:56 982
3 weeks ago 00:22:38 47
2 months ago 01:16:41 1
2 months ago 00:03:08 382
3 months ago 02:53:56 171
3 months ago 00:48:55 1
5 months ago 00:39:47 1
5 months ago 00:08:59 2
5 months ago 00:09:07 3
5 months ago 00:10:55 1
5 months ago 00:34:20 5
8 months ago 01:23:50 1
9 months ago 00:58:17 1
9 months ago 00:51:03 1
11 months ago 00:11:49 3
11 months ago 00:14:29 8.3K
1 year ago 01:51:51 17.4K
![Алкины: химические свойства. Практика [10] Органика С НУЛЯ | Химия для 10 класса и ЕГЭ-2025](https://sun9-78.userapi.com/Cgi4_ik1aB5TMitVd8W4MX5Tq23yH6pKo84Y0w/qmafzwh4gAM.jpg)
1 year ago 00:17:20 7
1 year ago 01:47:02 13.1K
![Алкены: химические свойства. Практика. [6] Органика С НУЛЯ | Химия для 10 класса и ЕГЭ-2025](https://sun9-7.userapi.com/hmBpTmmCeOsFYFGCQkSFjuOO9Ge5VoWjmXvoAA/9vUm2oyYLAM.jpg)
1 year ago 01:50:35 1
1 year ago 01:20:09 1
1 year ago 01:03:30 1
1 year ago 01:05:32 1
1 year ago 00:17:19 1
