Divide the 12 balls into 4 groups of 3's.
5 u8 y3 H2 u3 D- Y( R6 x$ j* c1 n* HWeigh group 1 & 2公仔箱論壇9 \6 R" b& y, ^) o) P. W, i7 n2 _: ^
then weigh group 2 & 3tvb now,tvbnow,bttvb; C- K4 _) r* l8 X9 {+ k# v
If the results are Equal & Equal, it means the ball with the different weight is in group 4.4 t0 _3 j+ r1 c% v: D% l) s2 M
If the results are Equal & Unequal, it means the ball is in group 3.
; r& N) D5 O& q# e/ G; Y; `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。If the results are Unequal & Equal, it means the ball is in group 1., r! l" l& n. I
If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb, S% I. y+ x5 t, F
tvb now,tvbnow,bttvb1 N q7 \: I6 c* |7 r Y, W
Once you determine the group that contains the ball.tvb now,tvbnow,bttvb' z0 F5 @. M- I( O# d" Q
Simply weigh two of the balls |