Опыт “Плавающее яйцо“ Трубачевская ООШ, учитель Широкова А.С.
7 months ago 00:06:01 1
7 months ago 00:02:44 3
7 months ago 00:33:13 1
7 months ago 00:02:30 1
7 months ago 00:40:03 1
7 months ago 00:10:37 1
7 months ago 01:15:59 1
7 months ago 00:50:46 1
7 months ago 00:02:42 1
7 months ago 00:19:27 1
7 months ago 00:07:13 1
7 months ago 00:27:37 1
7 months ago 00:03:22 1
7 months ago 00:14:29 1
7 months ago 00:03:44 1
8 months ago 00:00:58 1
8 months ago 00:03:56 1
8 months ago 00:05:26 1
8 months ago 00:10:04 1
8 months ago 00:01:51 1
8 months ago 00:00:39 2
8 months ago 02:21:44 4
8 months ago 00:18:58 2
8 months ago 01:05:23 1
