Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb4 W3 c; P% ^) I
Weigh group 1 & 2www3.tvboxnow.com: `% j% e7 X! M. y( v; n7 _4 Q/ n
then weigh group 2 & 3 . H5 c& B Y5 Q+ s: f5 rtvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4. ! \9 o8 g5 E1 mIf the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇( U$ l. g2 M- _. w# q" a9 l6 s
If the results are Unequal & Equal, it means the ball is in group 1. 5 E) Z8 d/ C2 P8 J! qwww3.tvboxnow.comIf the results are Unequal & Unequal, it means the ball is in group 2. % D- P7 z/ W+ |: Q- c; XTVBNOW 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。tvb now,tvbnow,bttvb' i% N5 }/ T$ ^$ a
Once you determine the group that contains the ball.( }* P& D' T4 H+ K
Simply weigh two of the balls