this is too easy!!TVBNOW 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。; W4 b* |8 v3 x4 d" r1 _
l, ^. J& j- y: K! I* K# U& Htvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heaviertvb now,tvbnow,bttvb' R& O3 ~$ o: f$ F; F, x; i
2. put 3 at each side.. also take the heavier side
) F: ~9 ]4 W" I! a3 G% A公仔箱論壇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.. |