each side put 6 ping pong.
2 B. |4 A6 P, M' g% BThen select the side of 6 ping pong which is heavier and measure again with 3 + 3
( {, |2 X- H. v3 _3 N6 R公仔箱論壇Then select the side of 3 ping pong which is heavier.% B. ]7 `0 }* ~% A/ ?
After tat use these 3 ping pong , put 1 on each side. If equal then the 3rd ping pong is the 1.
4 Z' E6 C8 I) N1 S; o7 J* F& G1 ]) r* _公仔箱論壇If one side is heavier means the heavier side ping pong is the one |