Divide the 12 balls into 4 groups of 3's.5 B3 G; V: u# q/ _1 g* G
Weigh group 1 & 2 2 V* P- a0 H7 Athen weigh group 2 & 3公仔箱論壇* d7 }! c8 B1 V- b$ t6 s
If the results are Equal & Equal, it means the ball with the different weight is in group 4. 8 ^ |+ }5 G* o( PTVBNOW 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. $ y& r/ a3 g& l' e5 p公仔箱論壇If the results are Unequal & Equal, it means the ball is in group 1. ( a* h, {- P7 S2 C5.39.217.77:8898If the results are Unequal & Unequal, it means the ball is in group 2. 3 L+ |! [- j1 X' M2 i* f+ e5 |8 wtvb now,tvbnow,bttvb5.39.217.77:88987 i8 j/ J8 A n
Once you determine the group that contains the ball.公仔箱論壇7 d) K7 U7 I9 J, J- P
Simply weigh two of the balls