Question

Найдите значение  выражения

$frac{2x-y}{x+y}:frac{2x-y}{x-y}*frac{x+y}{x-y}$

при x=1,24

y= -2,35

Answer 1

$frac{2x-y}{x+y}: frac{2x-y}{x-y}* frac{x+y}{x-y} = frac{(2x-y)(x-y)(x+y)}{(x+y)(2x-y)(x-y)} =1$