| this is too easy!!公仔箱論壇/ x: \0 I$ m+ A& x- P2 @7 e+ c" v 
 6 ^6 W0 I# \3 I3 U8 Y( V( b! DTVBNOW 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。1. put 6 at each side.. take the one side which is heavier
 - x' o2 o8 i. F( |9 LTVBNOW 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。2. put 3 at each side.. also take the heavier side
 7 b; \6 O$ T! G  I. ^4 q3 F/ i1 E3. 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..
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