Divide the 12 balls into 4 groups of 3's. / X9 e" v `# NWeigh group 1 & 2 " [. h% T/ B( }9 @' I; m9 Z# o7 k公仔箱論壇then weigh group 2 & 3' `0 I* q5 @, D5 ]8 N3 t
If the results are Equal & Equal, it means the ball with the different weight is in group 4.( s7 }* c4 w: j
If the results are Equal & Unequal, it means the ball is in group 3.tvboxnow.com' @( Z% T' _. ~
If the results are Unequal & Equal, it means the ball is in group 1. + i4 O7 D3 N/ q1 f0 m1 q8 PTVBNOW 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 & Unequal, it means the ball is in group 2. - K' p& I9 M9 Ztvb now,tvbnow,bttvb* S5 C$ q7 X/ a4 n
Once you determine the group that contains the ball.tvb now,tvbnow,bttvb+ m6 N5 d3 l7 B* `: X2 Z7 g8 v
Simply weigh two of the balls