ЕГЭ. Решаем задания на валентность и степень окисления.
Решение заданий на валентность и степень окисления из ЕГЭ (с подробным объяснением).
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7 days ago 03:00:58 1
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1 week ago 00:23:39 1
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1 week ago 00:18:48 1
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1 week ago 00:00:51 1
1 week ago 00:00:59 1
1 week ago 00:10:31 1
1 week ago 00:32:35 14
1 week ago 00:00:00 1
1 week ago 00:00:00 2
