this is too easy!!tvb now,tvbnow,bttvb6 p4 v! K! [, q; @) q
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1. put 6 at each side.. take the one side which is heavier
. z/ o( M4 l, p6 Z* [公仔箱論壇2. put 3 at each side.. also take the heavier side
7 K3 |0 u# T& h4 Q! {! U) RTVBNOW 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.. |