Предмет: Математика, автор: Matrixx666

За першу годину літак пролетів 240 км, а за другу - 260 км. Знайди середню швидкість літака за цей час?

Ответы

Автор ответа: nainsi

(240+260)/2=250 км/ч средняя скорость

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