this is too easy!!公仔箱論壇* U. T; v$ c5 q! D c
^/ l, D' Q' 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. l! J* c# J3 i' F8 B
2. put 3 at each side.. also take the heavier sideTVBNOW 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。' J! d0 f3 H* ^3 e$ ~! J0 B: y
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.. |