Занятие ЕГЭ 13 задание ()
Групповое занятие , подготовка к ЕГЭ - 13 задание
7 months ago 00:20:47 1
7 months ago 02:54:39 1
7 months ago 00:03:54 1
7 months ago 01:17:32 1
7 months ago 02:12:32 1
7 months ago 00:05:18 1
7 months ago 03:06:05 1
7 months ago 00:33:27 1
7 months ago 00:40:46 1
7 months ago 00:06:10 1
7 months ago 01:38:56 1
7 months ago 00:02:55 1
7 months ago 00:04:46 1
![Периодическое изменение свойств химических элементов в ПСХЭ |Таблица Менделеева [Урок 10]](https://sun9-1.userapi.com/fNv27d7GbcIRknpHtMsHZRjutAqBvQ0izzF8Xg/Qzw75_E0vSU.jpg)
7 months ago 00:31:59 1
7 months ago 00:09:59 1
7 months ago 00:29:56 1
7 months ago 02:21:44 1
7 months ago 00:28:35 1
7 months ago 00:47:09 1
7 months ago 02:07:30 1
7 months ago 02:04:06 1
7 months ago 00:18:02 1
7 months ago 01:25:36 1
7 months ago 02:01:30 1
