已知方程组:4x-3y-2z=0;x-3y+2z=0,的解,x,y,z都不等于0,则x:y:z=_______
已知方程组:4x-3y-2z=0;x-3y+2z=0,的解,x,y,z都不等于0,则x:y:z=_______
已知方程组4x-y+3z=0 2x+y+6z=0且xyz不等于0,则x/y+y/z+z/x是多少
已知方程组4x-3y-2z=0,x-3y+2z=0的解x,y,z都不等于0,则x:y:z=
方程组{4x-3y-3z=0,x-3y+z=0,(x.y.z不等于0),求x/z和y/z的值?
已知方程组4x-5y+2z=0 x+2y=3z 则x:y:z
方程组:x-2y+4z=0,2x+3y-3z=0...xyz不等于0,求(2x+y-z)\(2x-y+z)
已知4x-3y+z=0,x+2y-8z=0,xyz不等于0,求x+y-z/x-y+2z的值
已知x/2=y/3=z/4,且x+y+z不等于0,求2x+3y-4z/x+y+z的值
已知,方程组:4x-3y-7z=0 x+2y=10z 则(x-y+z)÷(x+y+z)=——
已知方程组4x-y+3z=0,2x+y+6z=0.且xyz不等于0,则x:y:z=
已知x、y、z满足方程组:x+y-z=6;y+z-x=2;z+x-y=0 求x、y、z的值
若x/2=y/3=z/4不等于0,求x+y+z/x+y-z的值