this is too easy!!
) S8 I) _5 z" m$ X1 @公仔箱論壇tvb now,tvbnow,bttvb* m' w2 I" ~& B
1. put 6 at each side.. take the one side which is heavier
) j3 v+ |) t/ w( s2 [% m4 v U2. put 3 at each side.. also take the heavier side
- ?9 C5 h' i) @, [( B( h( y* MTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |