已知方程组4X-3Y-3Z=0,X-3Y+Z=0,且Z不等于0,求X比Y比Z=?
已知方程组4X-3Y-3Z=0,X-3Y+Z=0,且Z不等于0,求X比Y比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{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
若方程组x-3y+z=0 3x-3y-4z=0 且x,y,z均不等于0 求x:y:
已知方程组x-3y+2z=0 2x+y-4z=0 求x比y比z
方程组:x-2y+4z=0,2x+3y-3z=0...xyz不等于0,求(2x+y-z)\(2x-y+z)
已知方程组2x-3y+z=0 3x-2y-6z=0 且xyz不等于0求 x:y:z
已知方程组x-3y-2z=0,2x-y+z=0,且xyz不等于0,求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
已知方程组4x-y+3z=0,2x+y+6z=0.且xyz不等于0,则x:y:z=