Divide the 12 balls into 4 groups of 3's.
$ {6 {: Q, w4 C2 r0 g5 M( v7 i5.39.217.77Weigh group 1 & 2公仔箱論壇1 `5 _! X3 x# ?9 a' Y
then weigh group 2 & 34 [' I8 l7 T4 ]$ ~
If the results are Equal & Equal, it means the ball with the different weight is in group 4.
, s$ e+ F4 P, k9 SIf the results are Equal & Unequal, it means the ball is in group 3.tvb now,tvbnow,bttvb1 Q, @' \: v& B! T2 e% m; h4 B
If the results are Unequal & Equal, it means the ball is in group 1.
; [! e8 a9 P4 h# q. XIf the results are Unequal & Unequal, it means the ball is in group 2.公仔箱論壇/ V3 k, o! t" h5 T" _$ Z% z; g
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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。$ s! I3 w# J+ g7 [
Simply weigh two of the balls |