this is too easy!!
- V* b* p2 T6 [9 n4 U$ tTVBNOW 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。
9 s0 V4 l, \- b; N5 \& Ntvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier
2 n/ @; Q2 u& m' G9 ktvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side8 x2 N. k4 L+ v3 @+ n% F0 k3 P
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.. |