Предмет: Алгебра, автор: galina5749

смешали некоторое количество 1% раствора некоторого вещества с таким же количеством 23% раствора этого же вещества .Сколько процентов составляет концентрация получившегося раствора %

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Автор ответа: tatarstan12

0

24% так сойдет .....

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