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12.Самолет пролетел 240 км за 20 мин. Сколько километров проедет за это же время легковой автомобиль, если его скорость составляет
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20 ( три двадцатых) скорости самолета ?-
Предмет:
Математика -
Автор:
meggief85n - 5 лет назад
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Ответы 1
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1/ 240:20= 12 км/мин - скорость самолета (12 км/мин*60 мин = 720 км/ч)2/ 720 :20*3=108 км/ ч ( 20 мин = 1/3 часа)3/ 108 :3 =36 км - проедет легковой автомобиль
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Автор:
annabelhvjz - 5 лет назад
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