Вопрос школьника по предмету Математика
катер поплыл по течению реки за 2,4ч расстояние551/5км.Скорость течения реки 2,5км/с.Найдите собственную скорость катера.
Ответ учителя по предмету Математика
Я не знаю как получилось у других, но у меня так.
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