从方程组4x-3y-3z=0,x-3y+z=0(xyz≠0),则x:z=__,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
方程组:x-2y+4z=0,2x+3y-3z=0...xyz不等于0,求(2x+y-z)\(2x-y+z)
已知方程组2x-3y+z=0 3x-2y+3z=0(xyz≠0)则x比y比z=
已知方程组{2X-Y+3Z=0,X-3Y+Z=0(XYZ≠0),求3Y分之4X+2Z的值
已知方程组4X-3y-3Z=0,X-3y+Z=0,(XyZ≠0),求X:y:Z的值.
已知一方程组:x-3y+7z=0与x-2y+4z=0(xyz≠0),求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xyz≠0,从方程组{4x+y-3z=0 x-y+2=0 中求出x:y:z=__________.
已知方程组4x-3y-3z=0 x+3y+z=0(xyz不等于0),求x/y y/z的值
已知:(x+y-z)/z=(x-y+z)/y+(y+z-x)/x,且xyz≠0,求代数式[(x+y)(y+z)(x+z)
已知方程组4x-5y+2z=0 x+2y=3z 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?