this is too easy!!
! K4 A- q7 F0 ~! Ptvboxnow.com
1 ^: A0 G5 g% i, u7 }5 ?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。1. put 6 at each side.. take the one side which is heavier
" ]6 n# _. S" u% W# K( v2. put 3 at each side.. also take the heavier side
6 C1 B7 ?3 v. X3. 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.. |