Предмет: Математика, автор: linapppdpfp

длина стороны MN треугольника больше длины стороны NL на 10 см. если длину MN увеличить в 5 раз,а длину NL увеличить в 7 раз,то получатся равные отрезки. Найдите длину стороны MN

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Автор ответа: n1982

0

Пусть х сторонаиNL тогда MN x+10
(X+10)*5=7x
5x+50=7x
5x-7x=-50
-2x=-50
X=25. NL
25+10=35. MN

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