Divide the 12 balls into 4 groups of 3's.5.39.217.77:8898" |" l. @- _; G1 C, M
Weigh group 1 & 2 ; s. F: k: z! L+ V ]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。then weigh group 2 & 3 ( w! s- |4 g: J) fIf the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇, [, w( t; K$ i4 ] s. ?
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇! h: {% a" j! C
If the results are Unequal & Equal, it means the ball is in group 1. + m G6 }: K1 u! l5 bIf the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.77:88980 @: F1 x, j. f/ Y" u
1 O7 o% g' |' j7 Ktvb now,tvbnow,bttvbOnce you determine the group that contains the ball.4 T {! t+ M8 A# P( r2 F/ Y
Simply weigh two of the balls