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
已知方程组{4x-3y-3z=0,x+3y+z=0}(xyz不等于0),求x:y与y:x的值
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)
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-3y-3Z=0,X-3y+Z=0,(XyZ≠0),求X:y:Z的值.
已知x+y-z/z=x-y+z/y=-x+y+z/x,且xyz不等于0,求分式[(x+y)(x+z)(y+z)]/xyz
已知4x-3y+z=0;x+3y-3z=0.并且xyz不等于0,求x,y,z的值
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xyz满足方程组x+4y-3z=0,求x:y:z的值 4x-5y+2z=0
已知{4x-5y 2z=0/x 4y-3x=0(xyz不等于0),求x:y:z:d的值