Предмет: Математика, автор: maryalien

Узнай периметр прямоугольника.Площадь прямоугольника 45 см квадратных, а ширина n см.

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Автор ответа: dava96

0

длинна прямоугольника= 45:n

P=2*45:n+2n

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