x^4-y^4,x^4+2x^2y^2+y^4,x^3y+xy^3的公因式
已知x^2y等于3,求2xy(x^5y^2-3x^3y-4x)
3(x^4)^3-2(xy)^4x^8y+5(x^3y^2)x^6y
多项式:x^4-y^4,x^4+2x^2y^2+y^4,x^3y+xy^3的公因式是( )
化简:5根号X^3Y-2Y根号XY-6根号XY+根号X分之Y+根号Y分之X
已知 2x-y=1\3 ,xy=2,求2x^4y^3-x^3y^4的值 运用提公因式法
计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2)
x^8-x^7y+x^6y^2-x^5y^3+x^4y^4-x^3y^5+x^2y^-xy^7+y^8
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
化简.x^2-3xy/x^2-6xy+9y^2
把多项式X^2-Y^2-2X-4Y-3因式分解
计算4xy+(x-2y)的平方+(x+3y)(3y-x)
已知3x^2+xy-2y^2=0,求{(x+y)/(x-y)+4xy/(y^2-x^2)}/{(x+3y)*(x-y)}