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Автор - Stark222

в аудитории 1/3 девочек и 7/15 мальчиков. Сколько процентов мест занято в аудитории?

Ответ

Автор - andreymarinin2002

Ответ:

80%

Пошаговое объяснение:

1/3  *  5 = 5/15

5/15  + 7/15 = 12/15

12/15 сокращаем на 3 = 4/5

4/5=0.8

0.8*100=80%


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