Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb' y. }& h6 D2 P2 ]2 ?; G7 g/ j
Weigh group 1 & 2
& C* X; g% x& z o! a( W3 Stvb now,tvbnow,bttvbthen weigh group 2 & 3
( J8 i" O8 U( |1 i公仔箱論壇If the results are Equal & Equal, it means the ball with the different weight is in group 4.tvb now,tvbnow,bttvb/ W+ W2 E% r0 j% e3 \ k
If the results are Equal & Unequal, it means the ball is in group 3.tvb now,tvbnow,bttvb5 C, j: P& F% g6 V" K
If the results are Unequal & Equal, it means the ball is in group 1.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。% k d# d6 _' b2 A% W# k
If the results are Unequal & Unequal, it means the ball is in group 2.
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7 A! Y- z* V: t3 J9 {3 T公仔箱論壇Once you determine the group that contains the ball.& t, e3 U* t3 c" @
Simply weigh two of the balls |