分解因式x^2(y-z)+y^2(z-x)+z^2(x-y)
分解因式x^2(y-z)+y^2(z-x)+z^2(x-y)
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+y+z)^3+(3x-2y-3z)^3-(4x-y-2z)^3
分解因式9(x+y+z)^2-(x-y-z)^2
(y-x)/(x+z-2y)(x+y-2z)+(z-y)(x-y)/(x+y-2z)(y+z-2x)+(x-z)(y-z
x,y,z正整数 x>y>z证明 x^2x +y^2y+z^2z>x^(y+z)*y^(x+z)*z^(x+y)
初一数学分解因式题x(x-y-z)-y(y-x+z)-z(z-x+y),看清符号呀~
化简(y-x)(z-x)/(x-2y+z)(x+y-2z)+(z-y)(x-y)/(x-2z+y)(y+z-2x)+(x
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
分解因式:x^4+y^4+z^4-2x^2y^2-2x^2z^2-2y^2z^2
(x+y+z)³+(3x-2y-3z)³-(4x-y-2z)³分解因式