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11 Views · 01/04/21
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3 Views · 01/04/21
Решение задач на примеси в образце. ОГЭ (ГИА) по химии.
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14 Views·
03/27/20
Подробный разбор решения задачи на массовую долю примесей в образце. Задача взята из ОГЭ по химии.
Ссылка на видео-энциклопедию по ОГЭ ХИМИЯ https://youtu.be/naDZuAt7XKo
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11 Views · 01/04/21
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3 Views · 01/04/21
