Предмет: Математика, автор: dany41

Номер 2 составьте уравнение

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Автор ответа: ReginaZz
0
Пусть x-первая сторона, тогда третья сторона
 frac{x}{2}  =  frac{1}{2} x
А вторая сторона
6 +  frac{1}{2} x
Тогда составим уравнение
x +  frac{1}{2} x +( 6 +  frac{1}{2} x) = 44 \ 6 + 2x = 44 \ 2x = 44 - 6 \ 2x = 38 \ x = 19
Первая сторона 19 см, вторая сторона 9,5 см, третья сторона 15,5 см
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