题目: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
题目: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=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
分解因式:f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y)
已知x::y:z=3:4:5,(1)求x+y分之z的值;(2)若x+y+z=6,求x,y,z.
已知x/2=y/3=z/4,求下列各式 (1)(x+y+z)/x (2)(x-y+2x/(x-y-2z)
分解因式:(1):x(x-y)+y(y-X) 多项式(x+y-z)(x-y+z)-(y+z-X)(Z-x-y)的公因式是
x分之y+z=y分之z+x=z分之x+y(x+y+z不等于0),求x+y+z分之x+y-z
已知2x+3y-4z=0,3x+4y+5z=0,求x+y+z/(除以)x-y+z的值.
x=y/z=z/3,x+y+z =12,求2x+3y+4z是多少,
试证明(x+y-2z)+(y+z-2x)+(z+x-2y)=3(x+y-2z)(y+z-2x)(z+x-2y)
分解因式x^2(y-z)+y^2(z-x)+z^2(x-y)