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June 2022
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поезд проезжает за 12 минут 11 километров. чему равна скорость поезда в км/ч
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Эксперт5
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1) 12 мин = 60/12 час = 1/5 час - время
2) 11 : 1/5 = 11*5:1 =
55 (км/ч) - скорость поезда
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Verified answer
1) 12 мин = 60/12 час = 1/5 час - время2) 11 : 1/5 = 11*5:1 = 55 (км/ч) - скорость поезда