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答案!!!!!!!!!答案!!!!!!!!!!!答案!!!!!!!!!!!!!1
^:)^ >:D<
thx
let cc
not possible
不知道要怎麼做阿??
hao

the model answer is stupid

there got more simple way to do it, just read my way, the one i answered before
the
see 了
第一次,一边5个称,若质量没有异常就只称剩下的2个就知道异常的那个了;若有异常就把异常的那5个用一边2个称第二次,若没有异常就是剩下的那个异常了,若有异常就把异常的那2个再2一边1个称第三次就知道了
how?
先分3个一堆) @) T) |! r0 ~! P$ g
共四堆5.39.217.76/ v! I- P+ L+ w4 d
称两次得出异常的在那一堆,其轻重: n/ J0 j  k% j/ }9 B
在异常的那一堆中在称一次
' I% k0 h+ X( [tvb now,tvbnow,bttvb就可以找到了
divde the 12 balls into 3 sets of 4. 公仔箱論壇% i' v/ ]1 t1 X9 ]# j3 B" ^! S
weight any 2 sets.
7 e, H7 I6 \0 _7 r( ^6 x0 X& g2 g. Ctvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
7 V" o, e1 S6 M0 zTVBNOW 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 one of the 2 is heavier, then the heavy one is in that setTVBNOW 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 o# S0 l$ N% e* J" Q; x1 ?; b
then divide the 4 balls into 2.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。5 C) ]* F( j/ y3 w6 M3 B$ j: i
weigh them
8 s( e0 I& x8 z& ]+ t$ S  P公仔箱論壇and divide the heavier into 1
( I3 ?1 p( q7 w9 T' R' gand weight them.
% c4 X( [% U$ R8 K& L$ F3 x weighing and get the ans.  
3 n7 u+ A$ j/ w5 G8 din less than 15 secs.
1. 6 aside and weight.
6 D$ L& Q' o& R4 G公仔箱論壇2. heavier side from (1), 3 aside weight again." u, Y* }2 P5 i
3. heavier side from (2), take 2 out of 3 to weight. If equal weight the one not on the scale is the heavier one. else the heavier one on the scale is the odd one. 公仔箱論壇- t; g2 t9 {+ {8 `1 w( H
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。" y9 Z: |# D/ k5 r
but i have a question. 重量異常 can be heavier or lighter.... so......
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