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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
! h1 u- j; E: }4 v6 ?. N. utvb now,tvbnow,bttvb共四堆www3.tvboxnow.com2 B8 a" m% b% t0 ]4 s7 o
称两次得出异常的在那一堆,其轻重
( v8 |5 L" f! L/ V) @4 T) J5 ztvb now,tvbnow,bttvb在异常的那一堆中在称一次公仔箱論壇) |. K7 W- w- N4 @) A  K
就可以找到了
divde the 12 balls into 3 sets of 4.
, R% q& i) j& I. d8 M+ M( J公仔箱論壇weight any 2 sets.tvb now,tvbnow,bttvb! P5 u1 b. Q6 q% D5 k
if the 2 sets are equal, then you know the heavy one is in the thirdTVBNOW 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。6 ]' R; |# k" G- T$ A! z) C
if one of the 2 is heavier, then the heavy one is in that set
/ S) }6 X0 n8 t( Twww3.tvboxnow.comthen divide the 4 balls into 2.
" ^/ {, f. W0 h$ U( K. B' E6 etvb now,tvbnow,bttvbweigh them
/ z, P1 M6 \3 z) s- T9 J- H% l! [www3.tvboxnow.comand divide the heavier into 1tvb now,tvbnow,bttvb! p4 I; J! I# }8 ?
and weight them.2 m  C7 L9 Q% ]) G; a4 E( R6 ]" V, h4 y
3 x weighing and get the ans.  
4 T( _+ `5 a0 Ein less than 15 secs.
1. 6 aside and weight.
# J9 V1 D+ I' E/ c) d4 R; p  {; nTVBNOW 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。2. 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。* [: _3 A0 ^# M( T4 q( g
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. www3.tvboxnow.com3 c' l5 i9 g4 O( V5 C- N* h/ l
公仔箱論壇8 v& D! y; h4 j' `, B4 E0 o6 S
but i have a question. 重量異常 can be heavier or lighter.... so......
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