Упростите (x^2/x+y - x^3/x2+y2+2xy) : (x/x+y + x/y^2-x^2)

Ответ в приложении **^/#@/*&/#! $^^$#@

1)x²/(x+y)-x³/(x+y)²=x²(x+y-x)/(x+y)²=x²y/(x+y)²2)x/(x+y)+x/(y-x)(y+x)=x(y-x+1)/(y-x)(y+x)3)x²y/(x+y)² * (y-x)(y+x)/x(y-x+1)=xy(y-x)/(x+y)(y-x+1)