each side put 6 ping pong.
5 s0 m4 S# g7 N3 @4 y公仔箱論壇Then select the side of 6 ping pong which is heavier and measure again with 3 + 3tvb now,tvbnow,bttvb8 n: x; }4 h5 U
Then select the side of 3 ping pong which is heavier.
, X3 c/ H1 |+ V) k' t8 yAfter tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
5 Z) Z" H' m. }, h7 v [; D* d6 sIf one side is heavier means the heavier side ping pong is the one |