Mathematics, 28.09.2020 17:01 Frenchfries13

107. Между городами А и В по железной дороге 710 км. Из Aв В вы- шел поезд со скоростью 75 км/ч. Через 2 ч навстречу ему из Bв
А вышел другой поезд со скоростью 65 км/ч. Через сколько часов
после выхода второго поезда они встретятся?

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107. Между городами А и В по железной дороге 710 км. Из Aв В вы- шел поезд со скоростью 75 км/ч. Че...