Предмет: Математика, автор: Аноним

Бегун пробежал 180 м.,за 20 секунд. Найдите скорость бегуна в км/ч

Ответы

Автор ответа: sshodizoda

324 км/ч
решение:
если за 20с он пробежал 180м, то за 1с пробежит 90м
1ч=3600с
3600*90=324000м(324 км/ч)

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