Divide the 12 balls into 4 groups of 3's.5.39.217.77% r6 f6 w) r0 P" K9 w' \
Weigh group 1 & 2: o* }0 v( x4 r' `! V% u+ T
then weigh group 2 & 3 # R3 j% _1 q/ H3 U, ^: l; I# Q5 Vtvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4.* f3 a- O; ?9 F3 \8 b
If the results are Equal & Unequal, it means the ball is in group 3. ) Y0 u1 B% x0 ~& bIf the results are Unequal & Equal, it means the ball is in group 1.5.39.217.77% X9 d7 g( A$ I' W
If the results are Unequal & Unequal, it means the ball is in group 2. 1 }$ W2 g& ?/ m: {/ J. H8 H) s, J公仔箱論壇5.39.217.77; ~3 M8 w# ?7 t/ k
Once you determine the group that contains the ball.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。3 @6 m9 ?+ k* B/ I
Simply weigh two of the balls