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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个一堆公仔箱論壇, j% q) V; j, ~3 Q8 I
共四堆5.39.217.774 S2 h  b4 @4 T% v$ R+ e+ u% H
称两次得出异常的在那一堆,其轻重5.39.217.77; \& D1 y* i- O
在异常的那一堆中在称一次
! C" ~# j/ @1 m% G% u/ C( `; @tvb now,tvbnow,bttvb就可以找到了
divde the 12 balls into 3 sets of 4. 公仔箱論壇- O0 I1 V1 m# _5 @
weight any 2 sets.
' ~4 F# j" E1 M# ^& dif the 2 sets are equal, then you know the heavy one is in the third
2 g! S" h6 E- C" _9 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。if one of the 2 is heavier, then the heavy one is in that set
, \, ?" r4 u  r4 h) n  Q9 p9 Sthen divide the 4 balls into 2.+ V) z6 e9 J$ h5 M* D0 O  g
weigh them
% I9 L' H' H9 C# `9 }公仔箱論壇and divide the heavier into 1
- y/ ~3 u, R# N4 wand weight them.
( w' D' k3 g! t4 c3 dTVBNOW 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 x weighing and get the ans.  ' q. P! \7 C$ E7 f: e
in less than 15 secs.
1. 6 aside and weight.
; ^) `2 V# X2 J& }$ f) ZTVBNOW 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.
; G2 t* k0 _& o3. 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.
" E- o3 |' `' Etvb now,tvbnow,bttvb公仔箱論壇8 c( a# j0 l1 m# O/ s. W
but i have a question. 重量異常 can be heavier or lighter.... so......
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