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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
% H9 O% |# N, D3 ctvb now,tvbnow,bttvb共四堆
0 l; r3 E" F* v/ d4 g0 S! N称两次得出异常的在那一堆,其轻重
( M" a+ x& n5 E/ o在异常的那一堆中在称一次tvb now,tvbnow,bttvb; Y4 H5 p  T* N( I1 @
就可以找到了
divde the 12 balls into 3 sets of 4.
" [9 u$ r5 g9 ?% H9 U, l! K; iwww1.tvboxnow.comweight any 2 sets.公仔箱論壇! l: j( w6 a: ~+ y
if the 2 sets are equal, then you know the heavy one is in the third
4 X; P1 t0 c! a/ J9 i! m( {if one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb9 D; [' F" E6 @
then divide the 4 balls into 2.
. Q3 N( Q4 r2 F" I: `% H9 gweigh them
! b1 y+ x/ J+ B! K3 `and divide the heavier into 1
& a3 M. }3 L1 ~0 Vand weight them.
# Z3 r0 c% Z$ ]4 V% ]: Z% ^3 x weighing and get the ans.  : C+ k# X! Q- `* ^) j& j9 U' k
in less than 15 secs.
1. 6 aside and weight.
0 O( Y5 d5 ]! _. i4 l公仔箱論壇2. heavier side from (1), 3 aside weight again.www1.tvboxnow.com3 m/ X$ q# T0 `$ V
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.
' M+ Q+ \: f* D9 I' L1 X9 Q6 rTVBNOW 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。
1 X3 d* w9 _# }! M: d6 f公仔箱論壇but i have a question. 重量異常 can be heavier or lighter.... so......
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