若(x-2y)(x^2+2xy+4y^2)+8y^3=1,则x=,y=

因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) (x+y)(x+y+2xy)+(xy+1)(xy-1)(x+y)(x-y)+4(y-1) 计算:2xy/(x+y)².(x+y)/4y 若(x*x+y*y)(x*x+y*y)-4x*x*y*y=0,求代数式(x*x+5xy+y*y)/(x*x+2xy+y*y)的值 (-x-y)(x^2+xy+y^2) 化简x^-y^/x^-2xy+y^ 2*(x-y)²(y-x)(xy) (x^-4y^)/(x^+2xy+y^)/(x+2y)/(2x^+2xy) （x^2+xy/x-y)/（xy/x-y)计算 因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6 若x-y=4,xy=1,求(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)的值 若x-y=4,xy=1,则(2x+y-2xy)-(3x+2y+xy)-(4xy+3y-5x)= 2x(x-y)+4xy(y-x) 因式分解2x(x-y)+4xy(y-x) 因式分解 (x^2+2xy+y^2-4xy)*(x^2-2xy+y^2+4xy) X-Y/2X+2Y XY/X+Y² 因式分解：x×x-xy-2y×y-x-y 已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值? 化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]