ВЗРЫВЫ Ag₂C₂ и Cu₂С₂ [фрагмент урока]
4 months ago 00:14:14 1
7 months ago 00:05:32 2
7 months ago 00:47:27 1
11 months ago 01:07:58 1
2 years ago 00:46:36 1
2 years ago 00:11:17 1
2 years ago 00:06:22 1
3 years ago 00:42:11 2
3 years ago 00:00:41 19
3 years ago 00:17:04 1
3 years ago 00:04:44 1
4 years ago 00:05:46 8
4 years ago 00:00:20 2
