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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。9 V. E/ U* ~: ?5 a7 B) g, C+ f# G: `
共四堆
1 _' P% R* W, m* Ltvb now,tvbnow,bttvb称两次得出异常的在那一堆,其轻重公仔箱論壇4 H/ P1 o7 B/ L6 O
在异常的那一堆中在称一次公仔箱論壇+ }9 U) l3 X9 J: f% E  D
就可以找到了
divde the 12 balls into 3 sets of 4. $ N1 n9 y5 N9 F& L! h; ^. k
weight any 2 sets.
% z" }0 }; N6 W/ B( p$ E# R; }' X公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third7 L& }( l) M* |* _6 H
if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb& }3 S0 ]1 Q4 r/ E6 W
then divide the 4 balls into 2.tvb now,tvbnow,bttvb) O# u0 `: Q. C. Q1 P, r+ l
weigh them
: H' e- x- f5 B9 H7 k公仔箱論壇and divide the heavier into 1
5 u( x/ a+ k: ~' m8 x5 X0 ]tvb now,tvbnow,bttvband weight them.
1 }0 G8 ?, O& g3 x weighing and get the ans.  
. o5 t6 M! V2 j8 atvb now,tvbnow,bttvbin less than 15 secs.
1. 6 aside and weight.
. u7 N6 y' }$ u( @9 x4 d2. 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。0 Z( b- ^' j! U' Q& z
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. 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。; f3 g! W5 l" U8 m) A2 y& X

8 |! G3 l# i8 M8 H2 a( I* tbut i have a question. 重量異常 can be heavier or lighter.... so......
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