Divide the 12 balls into 4 groups of 3's. 0 P2 O% M) |; q! c% I( J) g% b5 _$ xtvb now,tvbnow,bttvbWeigh group 1 & 25.39.217.77; k5 f3 a- l9 t' M, ~) ~; x2 I
then weigh group 2 & 35.39.217.77, p9 R' ^: R4 _9 X$ L
If the results are Equal & Equal, it means the ball with the different weight is in group 4.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。, l7 \& F" m* m9 m+ R
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇( M. L% {' ^/ b
If the results are Unequal & Equal, it means the ball is in group 1. 2 R$ e4 C. j8 q, o6 u1 H5 AIf the results are Unequal & Unequal, it means the ball is in group 2. ( g8 ?1 ~4 _* g7 R5.39.217.77TVBNOW 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。1 P5 b1 d: L4 g+ i
Once you determine the group that contains the ball.5.39.217.77* l/ s* B X; I1 T( e
Simply weigh two of the balls