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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
( H, Y. }; B/ r6 \- a! H$ o5.39.217.77共四堆
1 ]+ ?6 |2 k& c# O2 [称两次得出异常的在那一堆,其轻重tvb now,tvbnow,bttvb1 }* @& B+ W' K' O# }) w
在异常的那一堆中在称一次tvb now,tvbnow,bttvb$ _9 s# ?3 m* `' z9 l
就可以找到了
divde the 12 balls into 3 sets of 4.
' w; T5 b& X/ m8 w3 n公仔箱論壇weight any 2 sets.
9 {1 Q3 F+ q2 p# n4 w$ D5 Y5.39.217.77if the 2 sets are equal, then you know the heavy one is in the third5.39.217.772 Q* e" d+ L. B( t
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb) e0 H9 Y) Z9 a3 d# M
then divide the 4 balls into 2.
( f- j& k- O7 s1 I6 A公仔箱論壇weigh 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。) ^. U/ L, @2 O
and divide the heavier into 1
& |* f/ V) m2 |$ V. m: w1 m- otvb now,tvbnow,bttvband weight them.
/ w) J3 c1 T: ltvb now,tvbnow,bttvb3 x weighing and get the ans.  
. E. O. z7 f' i* {6 M. M公仔箱論壇in less than 15 secs.
1. 6 aside and weight.公仔箱論壇5 a+ ^/ x$ @! r6 V$ t! Z
2. heavier side from (1), 3 aside weight again." c2 y* v$ h0 v% d. A; U- k$ h) |9 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. 5.39.217.77& a' P! j# d6 Z& Y7 i- s! w

% ?" C" N' r+ _  Atvb now,tvbnow,bttvbbut i have a question. 重量異常 can be heavier or lighter.... so......
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