Divide the 12 balls into 4 groups of 3's.5.39.217.76) _/ U: n9 A* U/ e2 Z3 c
Weigh group 1 & 2 ; B1 ^# i( @2 @$ j J! Q# V, uthen weigh group 2 & 35.39.217.764 T' o6 \4 a- j2 g' `! D& g. j
If the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇+ M8 f; Y1 j9 ~+ T9 ~. t! ] P
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇3 S$ @# V( ~: ?
If the results are Unequal & Equal, it means the ball is in group 1.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。" k0 C0 d* a! ]8 ?- C. Y
If the results are Unequal & Unequal, it means the ball is in group 2.3 E% Y1 l5 { Q
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Once you determine the group that contains the ball. , u% O2 B* Y2 ?5 b* h6 M* X公仔箱論壇Simply weigh two of the balls