Предмет: Математика, автор: pochebutarsenij

Puc. 9 5. Пешеход первую половину пути двигался со скоростью г = 1,0 М Определите а вторую половину КМ со скоростью 0, = 5,4 среднюю скорость движения пешехода на всем Ч пути.

Ответы

Автор ответа: ver4karsakova

1

1) 5+8=13- это всего

2) 13 : 2 =6,5 средняя скорость пешехода

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