11 Плавление и кристаллизация твердых тел, температура плавления, удельная теплота плавления. 8 класс.
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![Платина в [The Surge]](https://sun9-75.userapi.com/ofpAclgyuF2ZkUC1CDKHE1jrgw4VKOn3JEDNcg/ScMvpEmMHT0.jpg)
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