Предмет: Математика, автор: kotarak4

Човен проплив 21 км, що становить 3/7 наміченого маршруту. Скільки кілометрів ще має пропливти човен? ДАМ 20 БАЛОВ​

Ответы

Автор ответа: slganiev
1

Ответ:

28 км

Пошаговое объяснение:

весь маршрут буде 21*7/3=49 км, тоді залишок буде 49-21=28

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