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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
; U/ M2 Q9 K4 K+ \& z# J5 u; c公仔箱論壇共四堆公仔箱論壇$ O5 ~  q  r' Q' A* p6 f* g
称两次得出异常的在那一堆,其轻重tvb now,tvbnow,bttvb( K0 }: |2 y+ g7 {6 G% c
在异常的那一堆中在称一次公仔箱論壇' J4 Z, ?, g8 C
就可以找到了
divde the 12 balls into 3 sets of 4. 5.39.217.76* V* w4 o: `' w+ X- o; h# L2 r
weight any 2 sets.
7 h. Y+ X9 u& x0 ztvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
: q9 L  H9 k5 v- m5.39.217.76if one of the 2 is heavier, then the heavy one is in that set
" a' E/ [. b. a  ?4 Btvb now,tvbnow,bttvbthen divide the 4 balls into 2.. t2 O% O. Q1 L' O( g
weigh them, d8 C, ~$ I* R  r! x' ]
and divide the heavier into 1公仔箱論壇, T. F& K. S' j
and weight them.
& H/ |0 l7 {* B7 P7 Y: XTVBNOW 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。3 x weighing and get the ans.  
2 _& E8 J! \; J! y% s, Nin less than 15 secs.
1. 6 aside and weight.
2 N& l! l) H6 M3 L- s2. heavier side from (1), 3 aside weight again.
/ B* f! d) x& A, J0 pTVBNOW 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。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.
  [( a) `/ D; L: G9 M) l- W* [
+ n( a- F6 S5 ~: Z+ \# |# \; Cbut i have a question. 重量異常 can be heavier or lighter.... so......
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