урок Конечность и бесконечность Вселенной - парадоксы классической космологии
Открытый урок по астрономии на областном этапе конкурса “Учитель года-2019“
1 month ago 00:04:42 1
2 months ago 01:11:25 18
3 months ago 01:53:12 1
5 months ago 00:02:45 1
5 months ago 00:01:00 1
5 months ago 00:01:42 1
5 months ago 00:01:00 1
5 months ago 00:08:29 1
5 months ago 00:28:28 51
5 months ago 00:28:03 13
5 months ago 00:02:16 1
5 months ago 00:09:42 1
5 months ago 00:07:37 1
5 months ago 00:05:06 1
5 months ago 00:37:34 1
5 months ago 00:07:12 1
5 months ago 00:31:27 1
5 months ago 00:01:00 1
5 months ago 00:09:35 1
5 months ago 01:24:34 1
5 months ago 00:57:42 1
5 months ago 01:26:04 2
5 months ago 00:42:11 1
5 months ago 00:12:16 1
