Divide the 12 balls into 4 groups of 3's. ' I( n+ R, y) [, y* V% }5 r% m9 H0 }5.39.217.77Weigh group 1 & 2公仔箱論壇( a0 b' u) R) r" W# H1 b
then weigh group 2 & 3公仔箱論壇/ A: A+ h) P; v" c. ]' |/ [
If the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇( ~' p5 p' k* t# w0 z; `/ L6 a" g
If the results are Equal & Unequal, it means the ball is in group 3. 9 x2 }9 W) f& S. R) UTVBNOW 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 & 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。0 n) R( m' T5 S- M, g0 P
If the results are Unequal & Unequal, it means the ball is in group 2.公仔箱論壇$ b) y o8 u5 J0 R3 i
9 p- E+ I6 d2 K( U4 r1 AOnce you determine the group that contains the ball.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。' J. a0 S' \( M' B5 u
Simply weigh two of the balls
[CASE 1]5.39.217.774 |& K j5 ]5 |6 z U7 Y, l1 U+ b
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。