Ответ учителя по предмету Математика
я так нашла Frich1 светило наукитреба:
210:70+90:45=3+2=5(год)-час, за який автомобїль проїхав усю відстань.
1)3360:(4+3)=480(км/год)- швидкість літака;
2)480*4=1920(км)- пролетів за перший день;
3) 3360-1920=1440(км) — пролетів за другий день.
Похожие вопросы от пользователей
1) Tom was said to be a shrewd businessman
2) The puppy was very well fed and generally very well looked after
3) Our family did not know how to house so many books in the new flat
4) The light was glimmering in little window seemed to give me a call
5) I have taken my medicine twice and feel much better