Химия. Актуальные вопросы преподавания: методика, олимпиады, ЕГЭ
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![🎙 ХИМИК смотрит ВО ВСЕ ТЯЖКИЕ | Объясняю синтезы Уайта | Химик про ... №7 [Репич]](https://sun9-24.userapi.com/5w6gHE3nT1QChvoFj6SCcIdw7Mq9FvJt3pCQaA/W9bHtp_DpMk.jpg)
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