Предмет: Математика, автор: v2506

Если за 35 минут выполняется 7/27 всей работы,то за 1 час выполняется следующая частьработы

Ответы

Автор ответа: tanyacool

0

1ч=60мин
60*7/27 :7=84/27 :7=12/27
ответ: 12/27

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