Предмет: Математика, автор: Apalipsisromka33

минус 4 5тых разделить скобка открывается минус 2 7мых

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Автор ответа: dims12

-4/5:(-2/7)=4/5*7/2=2/5*7
=14/5=2целых4/5 или 2,8

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