化简：xy+5x/y^2+10y+25

化简：xy+5x/y^2+10y+25 X*X-10XY+25Y*Y+X-5Y-2 分解因式 化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy] 化简x^-y^/x^-2xy+y^ x^2y-2xy+y化简 10x(5x²-y)-2x(5y+25x²)-3xy 求化简 化简(X-5)*(Y+2)=XY 化简:5x-y-2(xy) 已知x^2+10xy+25y^2-1=0,化简x^3+5x^2y+x^2.. 5x^2y-3xy^2+4xy-14xy^2+4xy-2x^2y（化简） x的2次方y+10xy+25y 因式分解x^2y+10xy+25y (-2x)²×（xy+y²）-5x（x-y)×xy化简. 化简(3x^2-5xy)+{-x^2-[-3xy+2(x^2-xy)+y^2]} 化简:-(x^2-2xy-y^2)+(5x^2-2xy-3y^2) 化简 -(x^2-2xy-y^2)+(5x^2-2xy-3y^2) 化简-(x方-2xy-y方)+(5x方-2xy-3y方) (3x的2次方-2xy)/x+(10xy-15y的平方)-(-5y)