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Автор - DavidAMB

автомобиль за 10 минут прошел путь 12 км а затем еще 30 км за 0,75 часа с какой средней скоростью он двигался​

Ответ

Автор - samcraft

Объяснение:

12 : 1/6 = 72

30 : 0.75 = 40

(30+12):(0.75+1.66)=17.427км ч

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