Divide the 12 balls into 4 groups of 3's.
5 f: X* S! o; TWeigh group 1 & 2
- Y* e. s; }: Y7 Dtvb now,tvbnow,bttvbthen weigh group 2 & 3
; f1 z, s" D0 ?$ Z' IIf the results are Equal & Equal, it means the ball with the different weight is in group 4.www2.tvboxnow.com5 m, q6 V; Z- {$ S% d7 {3 Z
If the results are Equal & Unequal, it means the ball is in group 3.
7 r" k- f& {1 }8 gwww2.tvboxnow.comIf 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。, m7 i4 o- \: H. r: k' |
If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb9 f, _# B+ a0 S C
www2.tvboxnow.com; o! L9 p1 n R/ |' U0 E
Once you determine the group that contains the ball.tvb now,tvbnow,bttvb$ S0 |" t' B) n% z1 e/ X
Simply weigh two of the balls |