Divide the 12 balls into 4 groups of 3's.
1 Q5 J9 _7 c* d @8 G7 g; |% z& Bos.tvboxnow.comWeigh group 1 & 2 s( X5 r2 n; w- ^0 M2 C% k
then weigh group 2 & 3
& C+ ~% N& x9 n: f# gTVBNOW 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 & Equal, it means the ball with the different weight is in group 4.& o0 h9 g& J7 p; E
If the results are Equal & Unequal, it means the ball is in group 3.tvb now,tvbnow,bttvb6 j. O5 }( }! a8 T( ?) D
If the results are Unequal & Equal, it means the ball is in group 1.
, F6 ]- a: i/ A G! T- {4 _公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2.
1 b& \6 Q. ]+ D- {) gtvb now,tvbnow,bttvbTVBNOW 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。# |9 @3 @+ t5 Z) N' _
Once you determine the group that contains the ball.
/ Q7 P1 q: w0 D6 w, K% Q公仔箱論壇Simply weigh two of the balls |