thleong

each side put 6 ping pong.& f+ ~; ]- Z1 K# C# J. z
Then select the side of 6 ping pong which is heavier and measure again with 3 + 3tvb now,tvbnow,bttvb: @& w, ?( a9 U1 Y0 E* p4 w
Then select the side of 3 ping pong which is heavier.公仔箱論壇9 I9 f* L9 k) o" T1 [- s
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
% r  f6 x& |7 [' Q, vtvb now,tvbnow,bttvbIf one side is heavier means the heavier side ping pong is the one