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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
' A+ Z7 N1 S/ l7 J$ x! q/ N, H* [共四堆
  @7 O) i" n; k! o& g3 Ntvb now,tvbnow,bttvb称两次得出异常的在那一堆,其轻重
* G, D( d4 W# a4 w: c% S. I, b在异常的那一堆中在称一次
6 v  |. `0 g; ]2 i% p7 H就可以找到了
divde the 12 balls into 3 sets of 4. 公仔箱論壇) U) H+ G1 c* Z
weight any 2 sets.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。' g9 _) Q5 L3 ~% P$ T
if the 2 sets are equal, then you know the heavy one is in the third
6 i  G$ i3 ^# G7 D: wif one of the 2 is heavier, then the heavy one is in that set# W% `; {! Y! r  B. V& Z
then divide the 4 balls into 2.
  h6 _' a: ~7 v7 |& gTVBNOW 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 them
% ]3 b/ \; d7 Y公仔箱論壇and divide the heavier into 1
/ ]4 M, L$ r6 i5 J% w+ M/ }1 Rtvb now,tvbnow,bttvband weight them.公仔箱論壇7 `, p+ a5 K% Z! i% \5 l+ H  q  }
3 x weighing and get the ans.  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 {- U' h2 c* h
in less than 15 secs.
1. 6 aside and weight.: G1 N. @! R6 M8 W
2. heavier side from (1), 3 aside weight again.0 Z, ^6 }" O0 H. E
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.
$ n8 Q  z/ j1 V公仔箱論壇3 [) N% @5 @% d& t
but i have a question. 重量異常 can be heavier or lighter.... so......
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