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Из 2-ух городов,расстояние между которыми 528 км,навстречу друг другу шли два поезда и встретились через 4 часа.Скорость одного поезда 60 км/ч.Найти скорость другого поезда.
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Предмет:
Математика -
Автор:
ananíasrhtg - 6 лет назад
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Ответы 1
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528 : 4 = 132 (км/ч) - скорость сближения.132 - 60 = 72 (км/ч) - скорость второго поезда.Ответ: 72 км/ч.
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Автор:
preston - 6 лет назад
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Thanksgiving Day
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The date of this first feast is not known and there is norecord that it was called “thanksgiving.” But two years later the Pilgrims set apart a day of thanks for rain that put an end to along dry period. Later, Thanksgiving days following harvest came to be celebrated in all the colonies of New England, but not on the same day. It was during the third year of the Civil War, October 3, 1863, that President Abraham Lincoln proclaimed a national Thanksgiving. In 1951, the United States Congress named the fourth Thursday o f November a Thanksgiving Day.
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