each side put 6 ping pong.公仔箱論壇7 h8 D' ^/ T/ K" F0 F
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
% o. W5 {) N% m0 iThen select the side of 3 ping pong which is heavier.0 T0 ^" {% J* t. T* O
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0 ^- K/ j5 x: V: O! J1 E
If one side is heavier means the heavier side ping pong is the one |