15 б с одной и той же станции в одно и тоже время вышли в противоположных направлениях два поезда. скорость одного поезда 50 км/ч а другого 85 км/ч. какое расстояние будет между через 3 ч?
Находим путь первого: 50 км/ч *3=150 км Находим путь второго: 85 км/ч*3 ч=255км Скрадываем два пути: 150+255=405 км тк они двигались противоположных направлениях ответ: 405 км
I am grateful for this year after all!) The more I thank him so that I had more friends, acquaintances, began to devote more time to the parents, for me it was the best year of his most vivid impressions!) My friend appeared the dog with which we often played in the summer!) I tried to be Yeshe better and improve ourselves!) I like it could be difficult, but I tried!) I bragodaren everything and for everything they have done for me and was carried out at the time!) me in the next year will be even better !)
I am grateful for this year after all!) The more I thank him so that I had more friends, acquaintances, began to devote more time to the parents, for me it was the best year of his most vivid impressions!) My friend appeared the dog with which we often played in the summer!) I tried to be Yeshe better and improve ourselves!) I like it could be difficult, but I tried!) I bragodaren everything and for everything they have done for me and was carried out at the time!) me in the next year will be even better !)
50 км/ч *3=150 км
Находим путь второго:
85 км/ч*3 ч=255км
Скрадываем два пути:
150+255=405 км тк они двигались противоположных направлениях
ответ: 405 км