Divide the 12 balls into 4 groups of 3's.www3.tvboxnow.com3 L( y; c7 R5 P
Weigh group 1 & 2 6 W& P& a& Q- Y8 t* ewww3.tvboxnow.comthen weigh group 2 & 3tvb now,tvbnow,bttvb$ m$ U. J- F) i) a; O
If 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。- A& H+ d9 Z6 s5 G
If the results are Equal & Unequal, it means the ball is in group 3. % A1 R0 }- B/ f0 r9 n% R9 @+ t' YIf the results are Unequal & Equal, it means the ball is in group 1.tvb now,tvbnow,bttvb/ Q6 B2 T2 ] q5 M% P
If the results are Unequal & Unequal, it means the ball is in group 2. ( u* g$ d$ X9 i$ }8 sTVBNOW 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。tvb now,tvbnow,bttvb8 m: q3 g% Z. O- P: u
Once you determine the group that contains the ball.( M2 F: M' P5 e3 a
Simply weigh two of the balls