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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www2.tvboxnow.com3 n, E- r3 ~: x0 I& Q# [& E6 k+ b" D
共四堆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。# C. B5 \4 I; ]! O
称两次得出异常的在那一堆,其轻重
" w" f4 S+ `8 G6 R公仔箱論壇在异常的那一堆中在称一次
9 {7 ?2 i! E0 @7 D: P6 H# B就可以找到了
divde the 12 balls into 3 sets of 4.
% h: g. u& L1 |weight any 2 sets.
# {1 R3 h% n" Q$ Zif the 2 sets are equal, then you know the heavy one is in the third公仔箱論壇1 ]1 H  {1 Z& G2 t  h! U
if one of the 2 is heavier, then the heavy one is in that set
/ }' C6 m% ?$ z# ^2 U& N' w' P4 vthen divide the 4 balls into 2.7 ]  h  v/ [9 Q2 a8 U
weigh them# O. w  o( s' ^# h" k& ~
and divide the heavier into 1
9 p3 |$ N6 z0 l. J+ I. Uwww2.tvboxnow.comand weight them.+ ?. q) Z$ `  e2 i4 Y$ r
3 x weighing and get the ans.  公仔箱論壇# d" h2 [' l4 _1 H2 z5 }/ S
in less than 15 secs.
1. 6 aside and weight.
9 w1 v+ T" L0 D( C8 qtvb now,tvbnow,bttvb2. heavier side from (1), 3 aside weight again.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。$ D; G# ^: l2 O  m
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.
4 n: p& K9 }* y/ ?( g/ V+ h/ QTVBNOW 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。公仔箱論壇( B$ s4 `/ J6 b" G& Z: T4 \: f
but i have a question. 重量異常 can be heavier or lighter.... so......
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