Предмет: Математика, автор: krisbkru

За три дня автомобиль проехал 910км. При этом в каждый следующий день он проезжал в два раза больше, чем в предыдущий. Ккакое расстояние проезжал автомобиль в каждый из этих трех дней?

Ответы

Автор ответа: kat20

1день х

2день 2х

3 день 4х

х+2х+4х=910

7х=910

х=910:7

х=130 в первый день

130*2=260 во второй

260*2=520 в третий

130+260+520=910

Автор ответа: arif2004

910*2=1820........................................

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