(x+y-z)(x-y+z)-(y+z-x)(z-x-y)的公因式是?
①(x+y+z)(-x+y+z)(x-y+z)(x+y-z)
数学 多项式(x+y-z)(x-y+z)-(y+z-x)(z-x-y)公因式
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
(x-y+z)(x+y+z)等于多少.
(x+y+z)*(-x+y+z)*(x-y+z)*(x+y-z)=
计算:(x+y+z)(-x+y+z)(x-y+z)(x+y-z).
1.设X ,Y,Z 成等差数列,代数式(X-Z)*(X-Z)+ 4(X-Y)(Z-Y)=
x,y,z为正实数 x/(2x+y+z)+y/(x+2y+z)+z/(x+y+2z)
已知X*Y*Z不等于0,(Z+Y)/X=(X+Z)/Y=(X+Y)/Z,求(Z+Y)(X+Z)(X+Y)/XYZ的值
z分之x+y等于y分之x+z等于x分之y+z(x+y+z不等于零)求x+y+z分之x+y-z的值
因式分解x的平方(y-z)+y的平方(z-x)+z的平方(x-y)