Divide the 12 balls into 4 groups of 3's.
! r: O2 w7 A* Ctvb now,tvbnow,bttvbWeigh group 1 & 2TVBNOW 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。( A& u F6 b# F& Y$ c; m
then weigh group 2 & 3) j( C) D! f6 Z( r7 u' x6 c0 h
If the results are Equal & Equal, it means the ball with the different weight is in group 4.
y! Q8 z( h- I0 F5 [8 @$ S$ ZTVBNOW 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.
{% i3 D% t/ itvb now,tvbnow,bttvbIf the results are Unequal & Equal, it means the ball is in group 1.公仔箱論壇( C- k& @* ~- O: d- J
If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb: m5 _* S d4 j7 W
公仔箱論壇0 l3 F: ]3 O) K0 G1 f9 X
Once you determine the group that contains the ball.) C, i: Q! t2 \- q/ d6 V
Simply weigh two of the balls |