Divide the 12 balls into 4 groups of 3's.5.39.217.76) J y6 I9 e' S1 ~* r
Weigh group 1 & 2 , s1 n" Z' w' w. e j! M' ^公仔箱論壇then weigh group 2 & 3 + m# ~9 A) l# `( r公仔箱論壇If the results are Equal & Equal, it means the ball with the different weight is in group 4. * B" o! l8 z* }6 \$ G公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3. / \1 a) N3 d* H9 G$ h/ C& uIf the results are Unequal & Equal, it means the ball is in group 1.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。) |6 Z& u( e$ x
If the results are Unequal & Unequal, it means the ball is in group 2. z, S4 l0 r/ D
: y- [! q0 P7 ], K& Z; l# u( WOnce you determine the group that contains the ball. ) o6 n8 o, _' p! ?1 A3 B: v7 _Simply weigh two of the balls