this is too easy!!
, G% a2 Y8 |5 x3 Q% P9 A: m2 ~
) D/ ^1 q0 t! d5 v' r5 r- c5.39.217.761. put 6 at each side.. take the one side which is heavier
* I: \- X: k5 e+ \公仔箱論壇2. put 3 at each side.. also take the heavier side
0 X! X) b! @ L+ zTVBNOW 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. 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.. |