thleong

each side put 6 ping pong.
6 s' U* F+ n8 a( k5.39.217.76Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
: ]! Q0 G  a# N5.39.217.76Then select the side of 3 ping pong which is heavier.公仔箱論壇7 ?* |; y6 J; {- v
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
& ]. t9 w, d* F& stvb now,tvbnow,bttvbIf one side is heavier means the heavier side ping pong is the one