Предмет: Алгебра, автор: dilik21

1)со станции выехал товарный поезд со скоростью 50 км/ч. через 3 часа выехал электропоезд со скоростью 80 км/ч. через сколько часов электропоезд догонит товарный

Ответы

Автор ответа: Lylka
0
1)50*3=150(км)-проехал товарный за 5 часов S=vt
2)80-50=30 crjhjcnm c,kb;tybz
3)t=s/v 150:30 = 5(ч)

Автор ответа: dilik21
0
спасибо
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