Предмет: Химия, автор: gudantovaaset

группа туристов отправилась на экскурсию на автобусе. Одну треть пути туристы ехали со скоростью 54км/ч другую треть со скоростью 20м/с. Оставшиеся 15 км группа проехала за 20 мин. Определите среднюю скорость движения. Ответьте пожалуйста.

Ответы

Автор ответа: solara777

Ответ:Рисунок канешн переисуй но не так как у меня. перерисуй его повыше и только потом пиши ДАНО и решение.

Объяснение:

Приложения:

gudantovaaset: спасибо большое

karinahetagurova05: это правильно?

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