Предмет: Математика, автор: sevasjsj

решите пожалуйста. 4 пример

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Автор ответа: Nina1952

0

Смотри)))))))))))))))))))))))))))

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lenok3781: а 9 (в числителе) куда делась...после сокращения?

Nina1952: Да, 9/7 =1 2/7

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