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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
! t3 N! P: \4 [+ k& rtvb now,tvbnow,bttvb共四堆tvb now,tvbnow,bttvb7 `5 f; S1 i* ]( R, i7 R
称两次得出异常的在那一堆,其轻重
* d  B* L* Q# D! X在异常的那一堆中在称一次www1.tvboxnow.com8 i- S% B! g7 e0 Y. \
就可以找到了
divde the 12 balls into 3 sets of 4.
% }+ s' g* P/ I: j% oTVBNOW 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。weight any 2 sets.
9 i1 Y& F0 E; _8 F0 b' t公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third
5 R9 W$ I" U# ~7 aif one of the 2 is heavier, then the heavy one is in that set公仔箱論壇4 s4 k9 G& ]; ]7 B4 L
then divide the 4 balls into 2.
8 I' d9 D% Q- y* Q% Z公仔箱論壇weigh them
2 F( g$ }. H: T; J7 e( D0 Rand divide the heavier into 1
$ N; H) L! d6 U! x) [; u+ e* r7 Iwww1.tvboxnow.comand weight them.
$ a# `; B; m7 p% A) etvb now,tvbnow,bttvb3 x weighing and get the ans.  
4 j, @. d+ h: Htvb now,tvbnow,bttvbin less than 15 secs.
1. 6 aside and weight.
8 u7 S( ?( j' p: C' b# M/ h6 Z7 H$ J2 T* x公仔箱論壇2. heavier side from (1), 3 aside weight again.7 r( U0 ~2 \' y, }  \" F0 |
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.
5 k8 r1 r' a7 Q* F+ q6 }5 a1 S  p5 l1 ?3 {2 b
but i have a question. 重量異常 can be heavier or lighter.... so......
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