Divide the 12 balls into 4 groups of 3's. : {& }9 F4 v/ `' _0 [ F: f6 X# U5.39.217.77Weigh group 1 & 2% N9 u: ?1 n& m6 f# H
then weigh group 2 & 3. A% p" W: L' _0 N. o
If 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。# F8 c& _3 C: {3 C
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇! h. n" v! S5 T5 V
If the results are Unequal & Equal, it means the ball is in group 1.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。1 M- z; M( O+ @9 ~ \8 R, N2 z; K5 R/ S
If the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.774 p. H2 d6 g3 d$ j8 ^; |
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Once you determine the group that contains the ball. + i9 C8 o9 X; r, e3 _: }$ u$ Y( g$ H公仔箱論壇Simply weigh two of the balls