Divide the 12 balls into 4 groups of 3's.' t" E/ J2 g* D$ K4 R* s) |* C
Weigh group 1 & 2 : A0 F( U/ X4 B. }( |" ]" K* }+ |tvb now,tvbnow,bttvbthen weigh group 2 & 35.39.217.765 u. Y( R" D% u9 w$ p
If the results are Equal & Equal, it means the ball with the different weight is in group 4.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。3 [# j2 j# _( N7 q. y O8 N
If the results are Equal & Unequal, it means the ball is in group 3. 9 O* x4 x& R* a$ f' L% g' K0 zIf the results are Unequal & Equal, it means the ball is in group 1. 2 H. _/ g/ h- V. M; g' ~公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2.7 x3 ~6 o* ]$ Q/ @& `& t
! B% A/ t+ z0 j3 |Once you determine the group that contains the ball.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。7 S& L1 `- d& y% `* X2 @7 t
Simply weigh two of the balls