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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- u8 ]  E/ }- }: y
共四堆tvb now,tvbnow,bttvb% d: ?$ d: o- Z) i# F) a: t- H3 c0 m" k* A
称两次得出异常的在那一堆,其轻重www3.tvboxnow.com8 X* J% L; M4 |, G* J4 f
在异常的那一堆中在称一次
4 i: b0 s# q* G, E+ U公仔箱論壇就可以找到了
divde the 12 balls into 3 sets of 4. www3.tvboxnow.com. [9 E' K( w7 ~( m. @5 H
weight any 2 sets.
* f/ h( h& Z1 K; f6 n, T% xtvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
9 D2 r+ A2 S( `/ j1 dif one of the 2 is heavier, then the heavy one is in that setwww3.tvboxnow.com$ a) C: V( F6 \# c5 y
then divide the 4 balls into 2.www3.tvboxnow.com1 W1 F3 z2 d! D) O5 s  s
weigh themtvb now,tvbnow,bttvb% W/ G" a! d4 t$ k1 a: h. A+ D
and divide the heavier into 1
+ ]/ W: b) j$ ~  t! @公仔箱論壇and weight them.
3 @2 F9 N  p' L- Z3 x weighing and get the ans.  
3 @( H% }' F3 t2 s* [0 Y/ u公仔箱論壇in less than 15 secs.
1. 6 aside and weight.+ H( R& A- ^! }( |1 o7 i1 |
2. heavier side from (1), 3 aside weight again.
/ j: {: V; x, Q" xwww3.tvboxnow.com3. 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. / Q4 S8 Y# G7 Y, X
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。/ W7 ~4 ^; ^  P) H' m
but i have a question. 重量異常 can be heavier or lighter.... so......
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