19. Урок №42. Что такое децибел
2 years ago 01:58:44 1
9 years ago 01:08:24 20
13 years ago 00:03:12 217
8 years ago 00:33:20 103
13 years ago 00:26:25 143
5 years ago 01:35:50 4
1 year ago 01:58:02 1
1 year ago 02:03:11 1
5 years ago 00:02:47 96
6 years ago 01:21:23 168
1 year ago 01:01:15 1
10 years ago 00:14:04 4.8K
10 years ago 00:19:42 12.9K
13 years ago 00:09:46 22
10 years ago 00:15:31 1
5 years ago 00:01:34 48
10 years ago 00:23:12 478
9 years ago 00:04:04 1
9 years ago 00:07:40 930
9 years ago 00:09:31 30
9 years ago 00:10:04 43
9 years ago 00:05:10 48
9 years ago 00:04:32 352
13 years ago 01:17:45 34
