若xyz不等于0,且|2x+3y-z|+(3x-y-z)^=0,则代数式z分之x+y=
若xyz不等于0,且|2x+3y-z|+(3x-y-z)^=0,则代数式z分之x+y=
若3分之x+y=5分之y+z=4分之z+x,且xyz不等于0,则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xyz不等于0,且2x-y+z=0,x-2y+3z=0,求代数式
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xyz不等于0,且满足(y+z)/x=(x+z)/y=(x+y)/z,求(y+z)(x+z)(x+y)/xyz的值
若xyz不等于0,且(y+z)/x=(z+x)/y=(x+y)/z,求(y+z)(z+x)(x+y)/xyz的值?
已知:(x+y)/z=(x+z)/y=(z+y)/x,且xyz不等于0,则分式(x+y)(x+z)(z+x)/xyz的值
若xy-z不等于0,且(y+x)/x=(z+x)/y=(y+x)/z,求[(y+z)(z+x)(x+y)]/xyz的值?
已知:(x+y-z)/z=(x-y+z)/y+(y+z-x)/x,且xyz≠0,求代数式[(x+y)(y+z)(x+z)
若1/2x=1/3y=1/4z且xyz不等于0,求x:y:z
若xyz不等于0,且{4x-5y+2z=0,x+4y-3z=0,求x:y:z