Divide the 12 balls into 4 groups of 3's.5.39.217.766 l5 _" @1 V6 J+ L0 N( r
Weigh group 1 & 2 $ {9 q( `8 X: B$ ?, f; h J5.39.217.76then weigh group 2 & 3 - x% m K& a) [ |: hIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 2 K- O* p! G; B4 b; F( G3 ~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。If the results are Equal & Unequal, it means the ball is in group 3. 7 C m2 m: K% w6 B k8 g& g# QIf the results are Unequal & Equal, it means the ball is in group 1. i- I6 s8 y" x7 S$ n# o4 v6 H/ Y公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2.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。" G2 B3 J+ A f: K8 b
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。% W7 x' o4 x! Q3 a6 X, }
Once you determine the group that contains the ball. ' T7 D- x- A0 k! GSimply weigh two of the balls