Question

Виконайте дію: (x-y)/(2x-3y)-(x-2y)/(3y-2x)​

Answer 1

$\frac{x-y}{2x-3y} -\frac{x-2y}{3y-2x} =\frac{x-y}{2x-3y}+\frac{x-2y}{2x-3y} =\\ =\frac{x-y+x-2y}{2x-3y}=\frac{2x-3y}{2x-3y}=1$