分解因式:x^4+y^4+z^4-2x^2y^2-2x^2z^2-2y^2z^2
分解因式:(x+y+z)^3+(3x-2y-3z)^3-(4x-y-2z)^3
分解因式x^2(y-z)+y^2(z-x)+z^2(x-y)
分解因式:x^4+y^4+z^4-2x^2y^2-2x^2z^2-2y^2z^2
分解因式:f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y)
分解因式(x^2+y^2-z^2)^2-4x^2y^2
分解因式4x^2y^2-(x^2+y^2-z^2)^2
(x+y+z)³+(3x-2y-3z)³-(4x-y-2z)³分解因式
分解因式9(x+y+z)^2-(x-y-z)^2
设x、y、z为整数,证明:x^4*(y-z)+y^4*(z-x)+z^4*(x-y)/(y+z)^2+(z+x)^2+(
(y-x)/(x+z-2y)(x+y-2z)+(z-y)(x-y)/(x+y-2z)(y+z-2x)+(x-z)(y-z
A=y(x-y)(x-z)+z(x-y)(z-x) 问:(1)将多项式A分解因式(2) x/2=y/3=z/4,求A/(
若多项式A=y{x-y}{x-z}+z{x-y}{z-x},:(1)将多项式A分解因式(2) x/2=y/3=z/4,求