each side put 6 ping pong.
! X& \. q5 S P& k4 U公仔箱論壇Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
; C( o. L! }7 N. S7 MThen select the side of 3 ping pong which is heavier. s9 R) }4 @, G. w" x
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.公仔箱論壇2 X ^& T; O6 o0 H9 m! X. A
If one side is heavier means the heavier side ping pong is the one |