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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
8 ^9 e' a4 D. Z: c4 J, Z, rTVBNOW 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。共四堆
' P8 ^  S0 F2 g" @tvb now,tvbnow,bttvb称两次得出异常的在那一堆,其轻重1 r$ N. k8 A& h# n- V: [. R
在异常的那一堆中在称一次公仔箱論壇$ w& q+ h* k* q* K7 P0 ?8 F
就可以找到了
divde the 12 balls into 3 sets of 4. ( w. {  Y: W4 h8 y. ^2 [
weight any 2 sets.
$ j  B1 W4 u8 {if the 2 sets are equal, then you know the heavy one is in the thirdTVBNOW 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。& z" c9 F4 r& |- P/ C1 g9 L
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb+ \* i0 p# ?& n; j: u0 a9 O' g
then divide the 4 balls into 2.( n" d0 ?3 ?$ L# h3 Q( r$ q
weigh them
, L. `1 _' W7 Q, O4 [/ R0 g公仔箱論壇and divide the heavier into 1
- E: t7 o6 G7 V# ?3 h5.39.217.77and weight them.公仔箱論壇, y4 e- ^2 t: E* X) d0 n+ R
3 x weighing and get the ans.  
! m3 W' q: T0 w8 e8 U& f* y8 ETVBNOW 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。in less than 15 secs.
1. 6 aside and weight.
- |7 r9 K* {6 Q/ A6 nTVBNOW 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. heavier side from (1), 3 aside weight again.
3 I/ e& W6 r& o: J- _- h2 G公仔箱論壇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.
& N' ~! F: m" }6 Xtvb now,tvbnow,bttvb
' t/ Z$ x, n( B. T8 M( qTVBNOW 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。but i have a question. 重量異常 can be heavier or lighter.... so......
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