Сократить дробь x^2-y^2/2x-2y

( х^2 - y^2 ) / ( 2x - 2y ) = ( ( x - y )( x + y )) / ( 2( x - y )) = ( x + y ) / 2 = 0,5x + 0,5y

[latex]displaystyle frac{ x^{2}-y^{2}}{2x-2y}= frac{(x-y)(x+y)}{2(x-y)}= frac{x+y}{2}=0,5(x+y) [/latex]