thleong

each side put 6 ping pong.公仔箱論壇+ m' {" ?! d- ^$ ]7 j0 q% Z
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
7 d9 y+ \9 Q5 [! t% \0 H1 Z. H/ K5 D! T5.39.217.77Then select the side of 3 ping pong which is heavier.
5 b, b0 b% ^( v- f1 s4 `- }公仔箱論壇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$ _" i) n* N7 L1 @
If one side is heavier means the heavier side ping pong is the one