такая разная марганцовка. ЕГЭ с Менделеевым, задачи С1(задание 36)
поправочка, последний слайд в Mn плюсик перед 7
4 days ago 00:14:07 1
4 days ago 00:30:01 1
6 days ago 00:00:57 1
1 week ago 00:11:22 1
1 week ago 00:24:02 1
1 week ago 00:44:42 1
1 week ago 00:44:32 1
1 week ago 00:24:23 1
1 week ago 00:46:57 1
1 week ago 00:03:56 1
2 weeks ago 00:17:11 1
2 weeks ago 00:07:22 1
2 weeks ago 00:02:54 1
2 weeks ago 00:13:16 1
2 weeks ago 00:22:00 1
2 weeks ago 00:48:05 1
2 weeks ago 00:21:15 1
2 weeks ago 00:16:53 1
2 weeks ago 00:08:09 1
2 weeks ago 00:02:28 1
3 weeks ago 00:07:58 1
3 weeks ago 00:14:06 1
3 weeks ago 00:02:27 1
3 weeks ago 00:27:28 2
