Divide the 12 balls into 4 groups of 3's. ) N, ^9 L6 }0 @" nTVBNOW 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- W6 E! c* v: S- h0 L# V0 Q; j
then weigh group 2 & 3 & W) ]! [" i: R9 vIf the results are Equal & Equal, it means the ball with the different weight is in group 4.# B4 s. Q8 ?# _1 T; {
If the results are Equal & Unequal, it means the ball is in group 3. 3 m: c" \7 _5 y8 X: l0 K公仔箱論壇If the results are Unequal & Equal, it means the ball is in group 1. & C/ f' ] i, j% e. S9 @www3.tvboxnow.comIf the results are Unequal & Unequal, it means the ball is in group 2.公仔箱論壇; a& W& v _' E
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Once you determine the group that contains the ball. , [6 d9 c1 _# u: ?Simply weigh two of the balls