Question

Решите $frac{xy+y^2}{x} cdot frac{y}{(x+y)} : xy$

Answer 1

$dfrac{xy+y^2}{x} cdot dfrac{y}{(x+y)} : xy= dfrac{y(x+y)}{x} cdot dfrac{y}{(x+y)} cdot dfrac{1}{xy}= dfrac{y(x+y)y}{x(x+y)xy} =dfrac{y}{x^2}$

Answer 2

да