−2x+3y3x+10y-\frac{2 x+3 y}{3 x+10 y}−3x+10y2x+3y
2x+3y3x+10y\frac{2 x+3 y}{3 x+10 y}3x+10y2x+3y
2x−3y3x+10y\frac{2 x-3 y}{3 x+10 y}3x+10y2x−3y
2x+3y3x−10y\frac{2 x+3 y}{3 x-10 y}3x−10y2x+3y