Предмет: Математика, автор: isa1971

1 путник шол 3 часа, 2 путник шол 3 часа со скоростью 7 км в час растояние между ними 39 км. какова скорость 1 путника?

Ответы

Автор ответа: aleks12456
1
1)7*3=21км прошёл 2 путник 2)39-21=18км прошёл 1 путник 3)18:3=6км в час скорость 1 путника
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