Урок 145. Идеальный газ. Основное ур-ние МКТ ид. газа - 1 (1)
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![Предыстория войны. Рождение «народных республик» [документальный фильм]](https://sun9-5.userapi.com/278rIK7jg29npHdpHt0go9Y_tDH3A3y23PFmhw/knmr0qDn9ag.jpg)
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