each side put 6 ping pong.
$ _. u8 G0 K( p+ L5 f% R+ l( EThen select the side of 6 ping pong which is heavier and measure again with 3 + 3
' g' ~* G* K2 p4 N9 M6 h公仔箱論壇Then select the side of 3 ping pong which is heavier.公仔箱論壇) e# ]" z2 P- v; L$ D7 Y
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1./ ]% x8 o4 d8 S. ]
If one side is heavier means the heavier side ping pong is the one |