10 - сынып. Химия. Спирттердің жіктелуі және химиялық қасиеттері.
2 months ago 00:25:13 1
2 months ago 00:16:47 1
2 months ago 01:29:51 1
2 months ago 00:00:51 1
2 months ago 00:56:38 1
2 months ago 00:26:42 1
2 months ago 00:28:25 1
2 months ago 00:33:05 1
2 months ago 01:10:04 1
2 months ago 00:00:24 1
2 months ago 00:01:36 1
2 months ago 00:21:22 1
2 months ago 01:31:18 1
2 months ago 00:02:51 1
2 months ago 00:03:58 1
2 months ago 00:37:35 1
2 months ago 00:58:52 1
2 months ago 00:06:36 1
2 months ago 00:31:39 1
2 months ago 00:11:16 1
2 months ago 00:07:05 1
2 months ago 00:41:58 1
2 months ago 01:10:52 1
2 months ago 00:46:07 1
