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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tvb now,tvbnow,bttvb8 B/ t6 l) A* T* `
共四堆
# Y' y$ C3 s2 L6 K5 M& r3 K- Atvb now,tvbnow,bttvb称两次得出异常的在那一堆,其轻重公仔箱論壇7 H* ]2 N6 P4 \: ]" ?. R. m# W
在异常的那一堆中在称一次
5 V1 ~* H- U0 U" x/ Z% N. n3 s就可以找到了
divde the 12 balls into 3 sets of 4.
, D+ y; J- F" u# e7 o" Utvb now,tvbnow,bttvbweight any 2 sets.
# |) l) }1 A# v) E: i& A% N" {8 W  l# Ttvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
. b8 U4 ^. ?$ {/ }, }- T% Q/ lif one of the 2 is heavier, then the heavy one is in that set
9 A8 z5 _. ?7 Lthen divide the 4 balls into 2.tvb now,tvbnow,bttvb( h  t! K: g# H8 C
weigh themtvb now,tvbnow,bttvb1 `0 ?& I4 F  k1 H7 z* m( v- o$ V
and divide the heavier into 1
& r) u& }3 A6 V/ L1 ttvb now,tvbnow,bttvband weight them.
4 X( N+ q. U- K+ o: t+ Z公仔箱論壇3 x weighing and get the ans.  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。, K+ c7 `# \7 l7 X9 s
in less than 15 secs.
1. 6 aside and weight.
  Y+ ?8 _$ O# Q$ d) Ktvb now,tvbnow,bttvb2. heavier side from (1), 3 aside weight again.
, `8 z5 p+ d! u: m4 STVBNOW 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.
7 l1 ^/ \& z  d- {www2.tvboxnow.com4 v  G; o6 {) O3 K; p6 N3 e
but i have a question. 重量異常 can be heavier or lighter.... so......
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