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поле прямоугольной формы имеет длину 1800 м,а ширина его ровна 2/5 этой длины.2/3 поля засеяно пшеницей .Сколько гектаров земли засеяно пшеницей
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Предмет:
Математика -
Автор:
xavier51 - 5 лет назад
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Ответы 2
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1 га=10000 м2
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Автор:
bumper9pxt - 5 лет назад
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0
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1800 м*2/5=720 м (ширина)1800 м*720 м=1296000 м2=129,6 га (площадь поля)1296000 м2*2/3=864000 м2=86,4 га (засеяно пшеницей)Ответ: пшеницей засеяно 86.4 гектара земли
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Автор:
reagan89 - 5 лет назад
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0
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