each side put 6 ping pong.公仔箱論壇5 Y4 x n( V8 {
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
# ~ O" d% y+ c) y! ptvb now,tvbnow,bttvbThen select the side of 3 ping pong which is heavier.
7 y& ^9 t0 e) U Q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.
! i! O/ s: R- d7 b8 I( F公仔箱論壇If one side is heavier means the heavier side ping pong is the one |