Предмет: Математика, автор: mikhina

ПОЖАЛУЙСТА СРОЧНО НАДО!!!РЕШИТЕ УМОЛЯЮ С УСЛОВИЕМ УМОЛЯЮ!!!

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Автор ответа: kuzia12341

по течению - 17,1 км/ч
против - 14,1 км/ч
разница за 3 часа = 17,1 - 14,1 = 3
3×3=9км

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