Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb$ p$ Q* {% ^1 o1 R
Weigh group 1 & 2- n) j7 ]9 N9 b9 P1 \& h
then weigh group 2 & 3
; \3 E- K- S; f7 a) ?( }公仔箱論壇If the results are Equal & Equal, it means the ball with the different weight is in group 4.
- v% T. @. Q& Y6 C9 [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.
, U$ b4 q2 W% ?2 s; |& y eTVBNOW 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 Unequal & Equal, it means the ball is in group 1.
' G7 U1 v: }3 c# {If the results are Unequal & Unequal, it means the ball is in group 2.
Q' S3 m* S n5 c2 `1 q/ A( L$ mtvb now,tvbnow,bttvb公仔箱論壇* m# b- a, m c% f( A0 p) ~
Once you determine the group that contains the ball.5.39.217.76& \( ?. Q2 _+ O `/ w, u
Simply weigh two of the balls |