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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
4 e( x# a+ D2 l& Itvb now,tvbnow,bttvb共四堆
3 O; v0 G1 K7 d公仔箱論壇称两次得出异常的在那一堆,其轻重
, }- z/ q$ {( ]  }1 u% C7 k8 B在异常的那一堆中在称一次
) F$ r8 x" c5 C2 @; c( s- T' D' O7 T5.39.217.76就可以找到了
divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb! l3 j$ d! X. b4 I: x
weight any 2 sets.
& O1 j# i; H" u+ p# ~3 `  a3 }7 i5.39.217.76if 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。6 L( e$ [. H0 u9 P9 S
if one of the 2 is heavier, then the heavy one is in that setTVBNOW 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。$ x% d, t: M+ F1 ]' Y8 ^; D, L
then divide the 4 balls into 2.  k' {; Z' p" i  E2 k
weigh them
9 M) _2 I7 d/ v# x) X5.39.217.76and divide the heavier into 1$ \1 n5 C6 v- j, @
and weight them.tvb now,tvbnow,bttvb, B6 O4 r8 Q: o# G% w5 X. N: E
3 x weighing and get the ans.  & z4 ^2 ?" H% i0 X9 `
in less than 15 secs.
1. 6 aside and weight.
& T; U/ X  ]/ H0 j: v) d5 d) yTVBNOW 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.
2 l# [5 X/ D. ~6 N/ `7 i* N3. 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. ( k3 O- \5 b6 [# C& f4 u, |
6 U8 T$ t' V3 s1 k. l
but i have a question. 重量異常 can be heavier or lighter.... so......
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