实数a.b.c满足x+y+z=5,xy+yz+zx=3,求z的最大值
实数a.b.c满足x+y+z=5,xy+yz+zx=3,求z的最大值
已知实数xyz满足x+y+z=5,xy+yz+zx=3,求z的最大值
时数x,y,z满足x+y+z=5,xy+yz+zx=3,求Z最大值
已知:实数x,y,z满足:x+y+z=0,xy+yz+zx=-3,求z的最大值.
实数x、y、z满足x+y+z=5,xy+yz+zx=3,则z的最大值是( )
已知实数x,y,z满足x+y+z=5,xy+yz+zx=3,则z的最大值是( )
1.实数x y z满足x+y+z=5,xy+ yz+ zx+=3,则z的最大值是________
实数x、y、z满足x+y+z=5,xy+yz+zx=3,则z的最大值是 ___ .
若实数x,y,z满足x+y+z=5,xy+yz+xz=3,求z的最大值
已知x,y,z为实数,且x+y+z=5,xy+yz+zx=3,试求z的最大值与最小值
设实数x,y,z满足x2+y2+z2-xy-yz-zx=27,则|y-z|的最大值为?
实数 X Y Z 满足 X+Y+Z=5 XY+YZ+ZX=3 求Z的最大与最小值