Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb/ x/ F. D& j" w6 a) m# N
Weigh group 1 & 2 1 a6 Y" p( e* J+ S9 }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。then weigh group 2 & 3 1 r I: ]8 f% P7 ZIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 6 c* `) z- z3 j, o" T, E% B5 J1 ^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 Equal & Unequal, it means the ball is in group 3.公仔箱論壇9 l( {7 l$ p+ l% E% c" \& H1 P
If the results are Unequal & Equal, it means the ball is in group 1. 1 `" }, o0 V( N3 Y公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2.0 V' J% t# |' L
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Once you determine the group that contains the ball.公仔箱論壇* j) a ^9 i- ^5 ~ l( }
Simply weigh two of the balls