ЗНО. Хімія. 1.3. Атоми, молекули, іони. Хімічні елементи
4 months ago 00:10:15 1
4 years ago 00:06:01 3
4 years ago 00:03:13 1
4 years ago 00:53:15 1
4 years ago 00:06:45 1
7 years ago 00:01:59 7
7 years ago 01:39:30 1
7 years ago 00:13:57 11
7 years ago 01:03:36 1
7 years ago 00:49:30 1
8 years ago 00:27:53 3
8 years ago 00:22:35 2
8 years ago 00:31:23 1
8 years ago 00:37:44 1
8 years ago 00:37:35 1
8 years ago 00:07:00 1
8 years ago 00:06:01 1
8 years ago 00:04:08 1
8 years ago 00:08:52 1
8 years ago 00:03:35 1
8 years ago 00:10:11 10
9 years ago 00:05:37 6
9 years ago 00:07:21 105
9 years ago 00:07:12 5
