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Вирішити терміново! З міста А до міста В одночасно виїхали два автомобілі, один зі швидкістю 85 км/год, а інший - 73км/год. Яка відстань буде між ними через 1 годину, через 2 год? Розв'яжи задачу двома способами. Заздалегідь дякую!
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Предмет:
Математика -
Автор:
bridges - 1 год назад
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Ответы 1
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Первый способ.
Найдем разность скоростей или скорость удаления.
85-73=12 км/ч. Значит между автомобилями через час будет 12 км.
Через 2 часа 12*2=24 км.
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Второй способ.
Найдем путь первого и второго за 1 час.
85*1=85 км; 73*1=73 км.
85-73=12 км.
Расстояние через 1 час.
Найдем пройденный путь за 2 часа. 85*2=170 км; 73*2=146 км.
170-146=24 км.
Ответ: 12 км; 24 км.
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Автор:
sophiaosborn - 1 год назад
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