若xyz满足(y+z)/x=(z+x)/y=(x+y)/z=k,求k的值
若xyz满足(y+z)/x=(z+x)/y=(x+y)/z=k,求k的值
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X,Y,Z满足(Y+Z)/X=(Z+X)/Y=(X+Y)/Z=k求K的值
若x、y、z满足 y+z/x=z+x/y=x+y/z=k 求k的值
若x,y,z满足x分之y+z=y分之z+x=z分之x+y=k,求k的值.
已知x.y.z.满足y+z/x=z+x/y=x+y/z=k,求k的值
已知x,y,z满足y+z/x=z+x/y=x+y/z=k,求k的值
若x、y、z满足 y+z/x = z+x/y = x+y/z =k,求k值
xyz满足 x分之y+z=y分之xz=z分之x+y=k,求k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?
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?
x/(y+z)=y/(x+z)=z/(x+y)=k,求k的值?