Divide the 12 balls into 4 groups of 3's. ' O0 Y$ _9 B8 j- OTVBNOW 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。Weigh group 1 & 2 ( }8 a" F5 r8 l& m9 O! z' A( o( V! Tthen weigh group 2 & 3 # V, _4 Q, r* }) N3 h) _4 cIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 1 I w7 a2 M ~6 I/ M# g公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3.: {4 ]8 v; R* g. v9 f" ~% d' i4 K
If the results are Unequal & Equal, it means the ball is in group 1. + b! {: m& o# t* `# L* ?9 YIf the results are Unequal & Unequal, it means the ball is in group 2.* b0 i; e5 h% Q- K) v
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Once you determine the group that contains the ball.' H; o2 |! T- ?! r9 b4 E3 L/ b/ t
Simply weigh two of the balls