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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4 S  @' d5 Z- D6 C5 u6 P; T
共四堆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 l3 l0 s0 V8 N& z0 _: h
称两次得出异常的在那一堆,其轻重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。* v# L8 g% ~% P: y5 }
在异常的那一堆中在称一次  X& A9 ], n3 C' ~4 t  U
就可以找到了
divde the 12 balls into 3 sets of 4.
4 n$ G: U1 n/ }9 h; j; lweight any 2 sets.公仔箱論壇  f$ z) S" D6 q# J
if the 2 sets are equal, then you know the heavy one is in the third
  {1 L! r! j" k+ }1 m4 M7 O公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
1 c0 ?) P6 m& O% G5.39.217.77:8898then 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。) X3 i) D% P4 D9 |& L$ M0 D
weigh them
9 C' Y$ @0 M9 H0 Tand divide the heavier into 1
/ }& ?* o. ~/ a) E/ C( s+ d公仔箱論壇and weight them.公仔箱論壇# P/ u, k) L4 [
3 x weighing and get the ans.  公仔箱論壇8 c' s% p5 P' P1 x$ E
in less than 15 secs.
1. 6 aside and weight.tvb now,tvbnow,bttvb3 [) H$ R8 L5 {
2. heavier side from (1), 3 aside weight again.
7 t/ ?) F# ~0 q* B, V5 Vtvb now,tvbnow,bttvb3. 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.
' G$ S3 }% o5 |- ztvb now,tvbnow,bttvbTVBNOW 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。2 u+ |9 y1 E5 N8 |  q. [
but i have a question. 重量異常 can be heavier or lighter.... so......
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