Divide the 12 balls into 4 groups of 3's. / j4 R7 P( k: m' y: \Weigh group 1 & 25 f5 b3 w( I- X6 \
then weigh group 2 & 3 - B3 c U: ]3 g6 z8 Etvb now,tvbnow,bttvbIf 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 v4 z, n/ q$ h4 y
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇0 n( {3 t+ J- B# s6 [3 O8 k
If the results are Unequal & Equal, it means the ball is in group 1.7 d Y1 t" w# b, o# }
If the results are Unequal & Unequal, it means the ball is in group 2. 4 O* q U- c( a; ewww2.tvboxnow.comwww2.tvboxnow.com# K5 V6 k T. x( \+ @# g* [; o
Once you determine the group that contains the ball.公仔箱論壇4 J v8 O- A5 ^9 f$ k" S7 D3 m
Simply weigh two of the balls