Предмет: Математика, автор: anna55533

З двох селищ, відстань між якими дорівнює 19 км, назустріч один одному
Швидкість одного з них 5 км/год, а другого –7 км/год. Якою буде відстань між ними через 3 години
після початку руху?

Ответы

Автор ответа: denisrezni4enko

Пошаговое объяснение:

1)5*4=15(км) проїхав перший авт

2)7*3=21(км) проїхав другий авт

3)21-19=2(км) на скільки більше від'їхав 2авт

4)15+2=17(км) відстань між ними

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