this is too easy!!
2 b) K4 x& A) o公仔箱論壇
# Q1 W: @0 R6 p v$ WTVBNOW 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
g8 W4 p( s; ?5 _4 s3 c9 |2. put 3 at each side.. also take the heavier side公仔箱論壇+ ^1 v' k5 c" [: C6 m
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.. |