klleung72781

Divide the 12 balls into 4 groups of 3's.
7 E5 W  o" c$ |8 M: @( h) ztvb now,tvbnow,bttvbWeigh group 1 & 2
, h! [$ p4 w3 f* |! K+ f9 ?3 ?tvb now,tvbnow,bttvbthen weigh group 2 & 3
1 W" {6 X: Q! k3 X3 z3 eos.tvboxnow.comIf 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。: s9 c, B+ ?( E
If the results are Equal & Unequal, it means the ball is in group 3.tvb now,tvbnow,bttvb- @" T' y$ a  }. N3 F4 z
If the results are Unequal & Equal, it means the ball is in group 1., M" T$ R* P$ J$ u5 c
If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb6 y9 k6 Z  p: U' O5 N! a
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。$ I7 \1 t* K. [9 N8 @( _3 y, |" l
Once you determine the group that contains the ball.2 P* @- j8 @( h+ z, z! F' r* u) F
Simply weigh two of the balls