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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& w" |4 J5 E' ?% Uwww3.tvboxnow.com共四堆
0 t0 y( f. X' ?& a' O8 Z8 k称两次得出异常的在那一堆,其轻重
; i: _$ G4 s1 y" r9 Bwww3.tvboxnow.com在异常的那一堆中在称一次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 [# ~, b# j' b: |& r2 _/ _& m0 V
就可以找到了
divde the 12 balls into 3 sets of 4.
$ U: K) T, ~0 {6 \www3.tvboxnow.comweight any 2 sets.公仔箱論壇+ `! }( j7 D  `* L2 z2 A: b
if the 2 sets are equal, then you know the heavy one is in the third
5 z+ `$ }9 }% \- y2 b/ rif one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb6 F% ]! X5 W! z" U
then divide the 4 balls into 2.
9 z4 z+ y2 o6 ?  R. \2 n9 o3 M# x公仔箱論壇weigh them9 ?9 j* n* W' `- J! E! W8 n
and divide the heavier into 1tvb now,tvbnow,bttvb, i4 W& T0 f6 [( A7 M/ R; i- U2 ^
and weight them.www3.tvboxnow.com4 D( C& ~6 ~- [( I
3 x weighing and get the ans.  1 L& t$ r* F6 E4 s2 _+ A/ O
in less than 15 secs.
1. 6 aside and weight.8 R( U" c0 }- u* B3 p
2. heavier side from (1), 3 aside weight again.
0 n# D6 P# K) p, E, \2 A4 ?% y+ q3. 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 g$ ?# v6 ^3 L3 t% }

7 \  R' [: G; ~7 d公仔箱論壇but i have a question. 重量異常 can be heavier or lighter.... so......
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