已知xyz满足x-2y+3z=0,2x-3y+4z=0,求x:y:z

已知xyz满足|3x-2y+z|+|2x+y+2z|=0（xyz不等于o）求x+y除以z 已知有理数x.y.z满足（x-z-2)^2+(3x-6y-7)^2=/3y+3z-4/=0求xyz=多少 已知xyz满足x-2y+3z=0,2x-3y+4z=0,求x:y:z 数学已知xyz满足x-2y+3z=0,2x+3y+4z=0,求x:y:z 已知有理数x,y,z满足(x-z-2)^2+(3x-6y-7)^2+|3y+3z-4|=0求xyz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 已知XYZ满足方程组 X+Y-Z=6 Y+Z-X=2 Z+X-y=0 求X Y Z的值 已知x,y,z同时满足2x-3y=8,3y+2z=0,x-z=-2,试求xyz的值 已知,x,y,z同时满足2x+3y=8,9y+2z=0,x-z=-2,求xyz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 已知有理数x,y,z满足条件：|x-z-2|+|3x-6y-7|+（3y+3z-4）^2=0,则xyz=?