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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5 Y6 K0 A1 W/ K2 W
共四堆
% P/ V* X  \" J7 CTVBNOW 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。称两次得出异常的在那一堆,其轻重tvb now,tvbnow,bttvb  N; }+ t/ C: ~. I# P
在异常的那一堆中在称一次5.39.217.77' y0 C# C. Z) y! P: C
就可以找到了
divde the 12 balls into 3 sets of 4.
2 @. I. j! Q6 O3 z: X$ N5.39.217.77weight any 2 sets.tvb now,tvbnow,bttvb; u" T1 _3 s1 }$ I
if the 2 sets are equal, then you know the heavy one is in the third
% v' G+ v. A4 Z1 S! D5 }; iTVBNOW 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。if one of the 2 is heavier, then the heavy one is in that set
1 Q+ Y% F1 \( D$ ^' [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。then divide the 4 balls into 2.
: W* Z8 h' U; c' z2 M! |! Y9 S5.39.217.77weigh them
) M' e9 e* U2 ], O! @. b" r公仔箱論壇and divide the heavier into 1
! q# d" r4 U! i: ]5.39.217.77and weight them.公仔箱論壇7 J$ i$ x/ J- M0 I, Y4 s! @1 ]
3 x weighing and get the ans.  ) ?4 |) w) Y+ N+ |+ D* I- J/ [3 T
in less than 15 secs.
1. 6 aside and weight.4 \6 w2 a0 ?2 n' S6 E
2. heavier side from (1), 3 aside weight again.
( }0 f. n3 |+ z+ rtvb now,tvbnow,bttvb3. 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. 公仔箱論壇8 z3 g$ g+ l  v7 ]- a" }
5.39.217.77+ Z) t: e* _# f( l: j% I; g2 f
but i have a question. 重量異常 can be heavier or lighter.... so......
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