this one is really simple, i think divide it as half (6-6)0 p; Y! ? }( w$ \; j7 N
weigh 3-3 , if one side is heavier, weigh 1-1 -> you will know which one is heavier
# ^) K7 f$ c2 U* w: g. pIf the above doesnt workTVBNOW 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。/ K4 n5 [' ^. P
weigh 3-3 of the other group (2nd chance)公仔箱論壇 r" C+ b1 r0 `
then weigh 1-1 from heavier group (3rd chance)-> you will know which is heavier |