Divide the 12 balls into 4 groups of 3's. " p! {: K& l" v3 Y9 k公仔箱論壇Weigh group 1 & 2. t, \3 z- }3 J7 e6 |/ u$ I; L
then weigh group 2 & 3 2 ?# J) Y6 |+ D4 g qIf the results are Equal & Equal, it means the ball with the different weight is in group 4. . I6 f2 q0 h3 lTVBNOW 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. 2 [1 }$ O, s1 b: t3 [: C* {( fIf the results are Unequal & Equal, it means the ball is in group 1.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。2 |. w" V. m) |" j: y' e
If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb+ {9 G% B) K2 v4 g) Z
公仔箱論壇, z+ V" t) |* s) g& |9 G4 L2 K
Once you determine the group that contains the ball.' b- J; P& [# ^8 e3 G$ ^3 [
Simply weigh two of the balls