thleong

each side put 6 ping pong.
! ~- r# k; t, C0 r* b/ |Then select the side of 6 ping pong which is heavier and measure again with 3 + 3
) H* ^2 j! x1 [" FThen select the side of 3 ping pong which is heavier.
0 L. ^* U/ z0 X5 Ctvb now,tvbnow,bttvbAfter tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.tvb now,tvbnow,bttvb5 x9 G0 G8 h( E2 {; H
If one side is heavier means the heavier side ping pong is the one