ХИМИЯ 8 КЛАСС. Открытый онлайн урок
Тема. Классификация неорганических соединений
Учитель - Чистякова Анастасия Олеговна
7 years ago 00:17:45 102K
2 years ago 00:13:25 3.3K
5 years ago 00:33:40 2.4K
5 years ago 00:31:13 2.6K
11 months ago 02:47:02 3.2K
9 months ago 00:00:14 13.2K
4 months ago 00:12:51 127
2 years ago 00:26:26 5.4K
5 years ago 02:48:39 81.5K
10 years ago 00:47:17 13K
4 months ago 00:11:15 288
12 months ago 01:21:57 316
4 months ago 00:06:26 973
4 months ago 00:11:05 3.1K
4 months ago 00:07:04 1.1K
4 months ago 00:08:30 126
4 months ago 00:07:23 1.4K
2 years ago 00:36:39 47
4 years ago 00:08:39 4.4K
8 years ago 00:17:45 10.4K
4 months ago 00:06:40 2K
4 months ago 00:16:43 1.1K
6 years ago 00:07:29 1.7K
4 months ago 00:25:00 3.7K
