Предмет: Химия, автор: fedyanek12

Помогите пожалуйста даю 20 балов пожалуйстааа​

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Автор ответа: holmskaja
0

Ответ: 97,3%

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Приложения:
fedyanek12: это н или м?
fedyanek12: и где дроби это н или м?
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