Divide the 12 balls into 4 groups of 3's.7 S$ R% @& p& ^: J2 X; e/ ^0 l
Weigh group 1 & 24 N7 L3 M* }6 S9 q) v3 P& F
then weigh group 2 & 3 : f5 h. G J0 U% ~9 x# h7 U. N! XTVBNOW 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 Equal & Equal, it means the ball with the different weight is in group 4.% d2 t# w4 Y, r% d1 X8 |9 @* \
If the results are Equal & Unequal, it means the ball is in group 3.5.39.217.77:8898: i8 _$ f% O0 L- m2 _
If the results are Unequal & Equal, it means the ball is in group 1. * Z% k* y* M/ B1 o4 u8 {If the results are Unequal & Unequal, it means the ball is in group 2. : L @$ p# @9 S+ k# i6 P3 H* gTVBNOW 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。+ _ l2 B6 j5 D
Once you determine the group that contains the ball.5.39.217.77:88989 j. ?5 W- ^% ~" i
Simply weigh two of the balls