Предмет: Математика, автор: нюша180

скорость распространения звука в воздухе равна 3/10км/с. за сколько секунд распространится звук на расстояние, равное 3км?

Ответы

Автор ответа: fdgogovich

2

3/10 умножить на 3 - 3 умн на 10=30:10=3 сек (кажется)

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