设正数xyz满足2x+3y+4z=9,则1/x+y +4/2y+z +9/3z+x最小值

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设正数xyz满足2x+3y+4z=9,则1/x+y+4/2y+z+9/3z+x最小值设正数xyz满足2x+3y+4z=9,则1/x+y+4/2y+z+9/3z+x最小值设正数xyz满足2x+3y+4z

设正数xyz满足2x+3y+4z=9,则1/x+y +4/2y+z +9/3z+x最小值
设正数xyz满足2x+3y+4z=9,则1/x+y +4/2y+z +9/3z+x最小值

设正数xyz满足2x+3y+4z=9,则1/x+y +4/2y+z +9/3z+x最小值