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площадь земель фермерского хозяйства, отведенная под посадку с/х культур,составляет 49 га и распределена между зерновыми культурами и картофелем в отношении 2:5 срответственно.сколько гектаров занимают зерновые культуры?
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Предмет:
Математика -
Автор:
paytonholland - 5 лет назад
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Ответы 1
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2x+5x=497x=49xx=49/7x=77×2=147×5=35
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Автор:
nala9khb - 5 лет назад
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Перевести на русский язык
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