设X=3Y Y+4Z=0(Y不等于0),则X除以Z
设x=3y/y+4z=0 (y不等于零)则x除以Z=( ) A 12 B -12分之1 c ...
已知x,y,z满足{4x-3y-3z=0,x-3y+z=0.(x不等于0,y不等于0,z不等于0)求x/z和y/z的值
x分之y+z=y分之z+x=z分之x+y(x+y+z不等于0),求x+y+z分之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+y/z+z/x是多少
已知X Y Z满足3x-2y+z的绝对值+2x+y+2z的绝对值=0(x,y,z不等于0),求x+y除以Z的值
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?
4x-3y-3z=0 x-3y+z=0 并且X Y Z不等于0 求x:z 和y:z的值
已知xyz满足|3x-2y+z|+|2x+y+2z|=0(xyz不等于o)求x+y除以z
4X—3Y—6Z=0 X+2Y—7Z=O(XYZ不等于0)求代数式X-y+z除以x+y+z的值
已知4x-3y-3z=x-3y+z=0(x、y、z不等于0)
若x/2=y/3=z/4不等于0,求x+y+z/x+y-z的值
已知2x+3y-4z=0,3x+4y+5z=0,求x+y+z/(除以)x-y+z的值.