Предмет: Математика, автор: Аноним

Ширина прямоугольника равна n см а длина в 4 раза больше ,чему равен периметр прямоугольника?

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Автор ответа: кепук

0

2×(n+4n) =10n-периметр, но чтт то еще должно быть

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