Divide the 12 balls into 4 groups of 3's. j2 U( g5 b7 X4 _9 E* GWeigh group 1 & 2公仔箱論壇/ A: s7 A" i, m% p3 X$ ?
then weigh group 2 & 3 % ^( p& W( p9 [4 T0 IIf 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" t4 t8 \% \1 D" ^- e( I3 p
If the results are Equal & Unequal, it means the ball is in group 3. # O) m* p+ \- TIf the results are Unequal & Equal, it means the ball is in group 1. c. U0 p. N1 [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 Unequal & Unequal, it means the ball is in group 2. , K+ v( t: J* W + K, _$ ~4 ~* M5 ]% ^5.39.217.76Once you determine the group that contains the ball.5.39.217.76' g' y1 T* X: v- e/ v% Y
Simply weigh two of the balls