Предмет: Математика, автор: 2562761

машина шла со скорость 3 часа потом 5 часов итого 640 км

Ответы

Автор ответа: sovenok55555

Сколько всего часов машина была в движении?
3+5=8 часов
С какой скоростью шла машина?
640:8=80 км.час

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