1. 1st divide to half take the heavier out公仔箱論壇7 J* b4 v1 x3 l( e( i4 d- N
2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for) # j/ _ u$ H# I3 J: _: y% RTVBNOW 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. Same method if is not equal on 2nd try.