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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
! B& N. `8 s4 V( E$ H# N( q1 B" X5 f) B+ 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。共四堆2 G. c3 t1 ~0 c# b! f
称两次得出异常的在那一堆,其轻重
. }* V: x6 @& U6 \5 \1 Y1 D+ S- Otvb now,tvbnow,bttvb在异常的那一堆中在称一次
' x- l8 i8 N2 x) Q5 w* ~就可以找到了
divde the 12 balls into 3 sets of 4.
$ a  l7 S% F; F3 C  G: P2 o公仔箱論壇weight any 2 sets.www3.tvboxnow.com4 Z( R" ]- O% p
if the 2 sets are equal, then you know the heavy one is in the third
( {  ^1 @, H9 W! P& a/ R( k公仔箱論壇if one of the 2 is heavier, then the heavy one is in that set
& ~4 o; R: e- {then divide the 4 balls into 2.公仔箱論壇9 n% j4 v2 `" y5 j8 @/ v
weigh them4 f" s' w/ Y. b) S6 k: {0 \( B
and divide the heavier into 1
. \! D; p1 z* ?3 U) L9 @公仔箱論壇and weight them./ n7 W2 U9 C! Z, P2 d
3 x weighing and get the ans.  
+ ^) r4 V  m( O0 btvb now,tvbnow,bttvbin less than 15 secs.
1. 6 aside and weight.
# L2 A% g6 M# [0 u1 N公仔箱論壇2. heavier side from (1), 3 aside weight again.
! r, u! u1 U9 mTVBNOW 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.
# h- l& i/ q5 \- t. z3 m公仔箱論壇' y5 Z) V$ J. W$ a% y
but i have a question. 重量異常 can be heavier or lighter.... so......
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