Divide the 12 balls into 4 groups of 3's. / w% w0 _* F/ [( Y* O( T; mtvb now,tvbnow,bttvbWeigh group 1 & 2tvb now,tvbnow,bttvb5 c) ]2 B& d. Y) R
then weigh group 2 & 3 . U1 |. l. y& i0 V+ S公仔箱論壇If the results are Equal & Equal, it means the ball with the different weight is in group 4. % K; n# D8 s$ J6 S) n公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3. ! p9 o$ g, |0 V( @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。If the results are Unequal & Equal, it means the ball is in group 1. . k+ v& R* F1 d" d7 F' A3 p" p& wTVBNOW 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.( m( c6 b0 @! c" p3 S
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Once you determine the group that contains the ball.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。, g. O w) G' p9 \2 b O
Simply weigh two of the balls