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Дам 20 баллов!Вода Ттхого океана содержит 30% соли(по весу).Сколько пресной воды надо добавить к 60 кг такой воды,чтобы содержание соли в смеси составило 5%???Плиииз
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Предмет:
Математика -
Автор:
gael351 - 5 лет назад
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Ответы 1
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1) 60:30=22) 2× 5=10Ответ:10
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Автор:
dolce - 5 лет назад
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