Question

решите пазязязя дам + :)

Answer 1

(x-y/2x)² × (4x/x-y +4x/y) = (x²-2xy+y²/4x²) × (4xy+4x² - 4xy/y(x-y)) = 
4x²(x-y)² / 2xy(x-y) = 2x(x-y) / y