Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb9 S* ]4 O: i) S
Weigh group 1 & 2
, D: n8 X% U' S+ [& e公仔箱論壇then weigh group 2 & 3
% c5 B, [# K5 L, P+ Q- y' J# ctvb now,tvbnow,bttvbIf 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。$ U# Y5 L, H2 Y- [4 l
If the results are Equal & Unequal, it means the ball is in group 3.
1 c0 J$ P" g1 jos.tvboxnow.comIf the results are Unequal & Equal, it means the ball is in group 1.公仔箱論壇/ U y9 m0 q$ T2 _4 @
If the results are Unequal & Unequal, it means the ball is in group 2.
1 ]! d- v% ~& h& ~- xos.tvboxnow.comTVBNOW 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 r& W% o- `0 W- u7 R3 D; S
Once you determine the group that contains the ball.tvb now,tvbnow,bttvb" V# X9 V& R5 V
Simply weigh two of the balls |