Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb+ ^5 Y- i( m2 D3 s. l
Weigh group 1 & 2tvb now,tvbnow,bttvb# S" G, {; c/ u8 l$ s
then weigh group 2 & 3
' z ~! P# d) T4 L# t, S5 J公仔箱論壇If the results are Equal & Equal, it means the ball with the different weight is in group 4.
* ~# O/ y: U0 y3 N公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3.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。0 l% G! W# P4 o6 ?+ Z
If the results are Unequal & Equal, it means the ball is in group 1.
( I* [4 ~: \# sIf the results are Unequal & Unequal, it means the ball is in group 2.
* h% N/ h% V% W: m) Q7 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。
( u; K7 i) D3 Q0 ftvb now,tvbnow,bttvbOnce you determine the group that contains the ball.公仔箱論壇; ?6 V- X; g. G' J/ F
Simply weigh two of the balls |