Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb8 q: k; R7 s( Z/ x# E9 T) m
Weigh group 1 & 2 ; l" ^. D/ Z# n2 ^5.39.217.77then weigh group 2 & 3tvb now,tvbnow,bttvb' [- g: E! \7 y O
If the results are Equal & Equal, it means the ball with the different weight is in group 4.tvb now,tvbnow,bttvb9 `* H7 Y, i$ B9 W6 N
If the results are Equal & Unequal, it means the ball is in group 3. / u5 E* K7 K5 @, B: k7 VTVBNOW 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 & Equal, it means the ball is in group 1. 9 u" u* Z) h3 j& w6 TTVBNOW 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.公仔箱論壇0 K' o4 d; z' T. ?7 m
3 V) \8 p2 o5 ~$ A! g5.39.217.77Once you determine the group that contains the ball. 5 ]- W& k7 V: t2 @( k. r5 d* }公仔箱論壇Simply weigh two of the balls