Divide the 12 balls into 4 groups of 3's.8 k! D! c3 |4 O' U: K& R& X3 _
Weigh group 1 & 2公仔箱論壇( U7 z, t) W, U2 B O8 R! g+ l$ d8 g
then weigh group 2 & 3 2 c8 C1 j$ |& @+ x8 n3 zIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 5 P& o5 Z. j; K) L8 r公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3.1 _; O( |( r J P+ y7 B
If the results are Unequal & Equal, it means the ball is in group 1. 1 p' {5 g' x0 q; V4 B0 ~) JTVBNOW 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. , x9 O- Z: r/ w5 [+ D! x# @8 ?+ i5 O3 ?$ L
Once you determine the group that contains the ball. t \7 M9 m; |* q5 y) fSimply weigh two of the balls