一道加减消元法的题从方程组4x-3y-3z=0 x-3y+z=0 (xyz≠0)中可以知道x:z= y:z=
已知方程组4X-3y-3Z=0,X-3y+Z=0,(XyZ≠0),求X: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-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)
快已知方程组;x+y-7z=0 3x-2y-z=0,且z≠0,求x:y:z加减消元法
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{2X-Y+3Z=0,X-3Y+Z=0(XYZ≠0),求3Y分之4X+2Z的值
已知一方程组:x-3y+7z=0与x-2y+4z=0(xyz≠0),求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-3y-3z=0,x+3y+z=0}(xyz不等于0),求x:y与y:x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-3y+z=0,x+2y-8z=0,xyz不等于0,求x+y-z/x-y+2z的值