Опубликовано 1 год назад по предмету Математика от olegrumpel9

ПОЖАЛУЙСТА ПОМОГИТЕ! СРОЧНО! Два поезда выехали одновременно. Первый ехал со скоростью ?км/ч а второй 14 км/ч через два часа расстояние между ними стало 60 км. С какой скоростью двигался первый поезд?

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