thleong

each side put 6 ping pong.
% {2 U7 @0 |- ]. `Then select the side of 6 ping pong which is heavier and measure again with 3 + 3tvb now,tvbnow,bttvb) p( n, s6 [* b+ Y3 b& m
Then select the side of 3 ping pong which is heavier.' h: h% Z# j9 c
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.tvb now,tvbnow,bttvb( K+ W, t! h' j# d6 O4 _! I
If one side is heavier means the heavier side ping pong is the one