Divide the 12 balls into 4 groups of 3's.
! X* V3 h! R" f) j. 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。Weigh group 1 & 2
6 p, j8 ^" r7 k0 `& ethen weigh group 2 & 3公仔箱論壇! G k, c& D; Z3 u3 r G
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。6 O) Q4 J. Y' W' {, V4 n
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇0 Q1 g2 j" ]5 l) ^
If the results are Unequal & Equal, it means the ball is in group 1.
; @% R: k& J0 ^! j/ u. y2 h 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 Unequal & Unequal, it means the ball is in group 2.5.39.217.766 X$ q6 Y( x8 ~# @, E2 I6 b
8 D. z7 N# C' `, E4 w. t8 |tvb now,tvbnow,bttvbOnce you determine the group that contains the ball.tvb now,tvbnow,bttvb b" p( J; A4 v9 a9 e& L t
Simply weigh two of the balls |