Divide the 12 balls into 4 groups of 3's.公仔箱論壇& T- ?. f0 t S* W" Q5 R: G0 g
Weigh group 1 & 2 , i7 Z7 P4 A4 t- {- n% x5.39.217.77:8898then weigh group 2 & 3公仔箱論壇/ ]$ J( i5 H7 b
If the results are Equal & Equal, it means the ball with the different weight is in group 4. + F1 _, o, m; ?. U1 {; l5 q2 HTVBNOW 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. 5 |+ G _, H/ t/ J+ P7 o. _0 VIf the results are Unequal & Equal, it means the ball is in group 1. - n1 B& g& k5 ~8 L% P+ |If the results are Unequal & Unequal, it means the ball is in group 2.公仔箱論壇7 y9 X4 i: F) T5 G' P4 a0 l
% J1 k* ^0 v) u) X$ Y5 U2 dOnce 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。4 i* M5 H6 A" g/ |% u
Simply weigh two of the balls