Divide the 12 balls into 4 groups of 3's. 5 [# d2 h" k% |0 H7 Gos.tvboxnow.comWeigh group 1 & 2 ( h) Y0 }7 [1 Q0 L [os.tvboxnow.comthen weigh group 2 & 3 " V7 n/ \0 G% W; |tvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4. . f1 e4 l, q) t; _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.公仔箱論壇1 R8 v; i; |- ~7 W8 J& L# T
If the results are Unequal & Equal, it means the ball is in group 1. 5 a8 D( E. P. e3 H! W. U* p, K* WIf the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb& n0 E+ i. V: K G
4 G0 _& z% a6 u5 P& V! u5 e/ D公仔箱論壇Once you determine the group that contains the ball. # o. z7 C. R9 h4 t9 ^Simply weigh two of the balls