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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。1 M3 m; F9 w; X/ W0 T
共四堆www.tvboxnow.com8 ^/ k5 r6 H: p5 ?: {$ L
称两次得出异常的在那一堆,其轻重
  S5 Z* U' Z& A$ s公仔箱論壇在异常的那一堆中在称一次公仔箱論壇& t7 e$ ?( R, @5 p1 w7 @
就可以找到了
divde the 12 balls into 3 sets of 4.
! y- @% m& w0 Nwww.tvboxnow.comweight any 2 sets.
+ N7 J+ E5 k" f% X* aTVBNOW 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。if the 2 sets are equal, then you know the heavy one is in the third
! e" ~$ o0 j0 P& x公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
  i9 e" g9 a5 W4 Q& b3 z4 c' \0 uthen divide the 4 balls into 2.
" o4 Q  }: l3 G2 m1 f' A* w( N7 bweigh themTVBNOW 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。) [' T8 ], h' Y; z+ T# I/ a7 W2 }
and divide the heavier into 1www.tvboxnow.com( A" M% H7 G$ F4 u" K; E
and weight them.
5 o! J& V' ?4 g1 O. K( S3 Z3 x weighing and get the ans.  
- S2 n! U9 ^: y1 \in less than 15 secs.
1. 6 aside and weight.
7 \6 W$ h) ?  P, z. m3 }/ V/ gTVBNOW 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./ [7 i- i" Y2 }) {  ]
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.
7 }3 Z; t& x2 x4 e公仔箱論壇www.tvboxnow.com( _% G+ b6 ^9 N) Q% Z8 Q; ?' @
but i have a question. 重量異常 can be heavier or lighter.... so......
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