each side put 6 ping pong.公仔箱論壇6 |' M/ u$ U7 l3 W
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
2 t8 S( P& y' B" ^- Z6 ZThen select the side of 3 ping pong which is heavier., H: Y2 u- O5 z
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
0 q$ l& f: n e3 y* @6 FIf one side is heavier means the heavier side ping pong is the one |