Велосипедист проїхав 40 км зі швидкістю 20 км/год. А потім 30 км зі швидкістю 10 км/год. За який час велосипедист пройшов весь шлях?
Timyr123678
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12.10.2020 20:59
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ответ: время в пути 40/20+30/10=2+3=5часов.
Объяснение: