Divide the 12 balls into 4 groups of 3's. Z9 W4 ^: z6 G7 ~9 oWeigh group 1 & 2 $ l2 M% g5 B( [2 V; Qthen weigh group 2 & 3 / O7 a/ Z" U3 c- YIf the results are Equal & Equal, it means the ball with the different weight is in group 4.: q/ A V( R; v0 @, R: Z
If the results are Equal & Unequal, it means the ball is in group 3., u9 b X8 {4 T, z. |9 A& ?
If the results are Unequal & Equal, it means the ball is in group 1. . b2 \* k' X$ C, q6 v5 ATVBNOW 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。If the results are Unequal & Unequal, it means the ball is in group 2.tvb now,tvbnow,bttvb9 q* _# n a( \$ p
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Once you determine the group that contains the ball.www2.tvboxnow.com# A x+ }3 F/ M$ h
Simply weigh two of the balls
[CASE 1]: c, B ~7 H/ C8 I
個異重波係C組,即其他A,B組都係正常波,好易搞,將C組其中兩個波同兩個正常波稱,如果重量不同,即所拿去稱的C組兩個波中有異重波,如果相同重量即 C組餘下兩個波中有異重波,再將兩個含異重波的其中一個同一個正常波稱,如果重量不同即拿去稱的就是異重波,如果相同重量即餘下未稱的一個C組波就是異重波。