Divide the 12 balls into 4 groups of 3's. " C9 O# r/ h8 P* [+ u3 bWeigh group 1 & 2公仔箱論壇' t1 g- d. z+ F# S: ?
then weigh group 2 & 3tvb now,tvbnow,bttvb' I2 x( t- c" k
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。& K: E' c: {- C. H
If the results are Equal & Unequal, it means the ball is in group 3. & H6 K1 Z0 D2 b/ ?4 x1 tIf the results are Unequal & Equal, it means the ball is in group 1. 9 J. Z9 b4 K+ b$ X, D3 x4 y9 O BTVBNOW 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 2.4 o1 P7 z! X: }1 A4 r3 c
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。3 U- G7 x% [8 s/ q8 J
Once you determine the group that contains the ball.5.39.217.76# J1 D9 N5 a. i- T7 Q! M2 V
Simply weigh two of the balls