August 2021 1 19 Report
по двум параллельным железнодорожным путям друг навстречу другу движутся два поезда в противоположных направлениях грузовой со скоростью 44 км\ч и пассажирский - со скоростью 100 км\ч. Определите величину относительной скорости поездов.
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