已知实数xyz满足3x-y-3z=0he x-6y+6z=0(z不等于0)求x-y+z分之x+y+z

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已知实数xyz满足3x-y-3z=0hex-6y+6z=0(z不等于0)求x-y+z分之x+y+z已知实数xyz满足3x-y-3z=0hex-6y+6z=0(z不等于0)求x-y+z分之x+y+z已知

已知实数xyz满足3x-y-3z=0he x-6y+6z=0(z不等于0)求x-y+z分之x+y+z
已知实数xyz满足3x-y-3z=0he x-6y+6z=0(z不等于0)求x-y+z分之x+y+z

已知实数xyz满足3x-y-3z=0he x-6y+6z=0(z不等于0)求x-y+z分之x+y+z
3x-y-3z=0
-6y+6z=0联立方程可以得到x=(8/7)y,y=(21/17)z.
代入方程得到:1/15