Предмет: Математика, автор: лиза2881

один двигался со скоростью 70 км в час а другой 90 км в час через сколько часов второй покзд догонит первый если расстояние между станциями прибывания 120 км

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Автор ответа: Аноним

0

1)70+9=160
2)160*120 =19200

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