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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+ J' q& r8 s' K$ y9 zos.tvboxnow.com共四堆
2 E; p) P1 h7 C8 X. W* ros.tvboxnow.com称两次得出异常的在那一堆,其轻重: u/ V5 p) A0 D1 K2 S( A$ {% W9 B
在异常的那一堆中在称一次
4 u/ c3 X; Z: T% xTVBNOW 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。就可以找到了
divde the 12 balls into 3 sets of 4.
# i+ ~$ K( d* G' k公仔箱論壇weight any 2 sets.8 P! Q& z. U/ g1 t
if the 2 sets are equal, then you know the heavy one is in the third
' p+ d0 q! J* \; k7 v3 pTVBNOW 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; a; y7 D7 \( x6 ~& _9 o
then divide the 4 balls into 2.
1 c0 d/ G3 D; l  W7 Rtvb now,tvbnow,bttvbweigh themos.tvboxnow.com0 `5 K' X: ^) G! h: `6 M) {4 c7 H
and divide the heavier into 1! r9 C& K( v' c& I2 y* J
and weight them.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 f9 n- {$ e1 n3 N* x
3 x weighing and get the ans.  
; p9 j$ ^" k" v1 g- G; r5 ?: Utvb now,tvbnow,bttvbin less than 15 secs.
1. 6 aside and weight.7 P* Q" x/ C8 B2 ?8 U( L% [4 S
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。5 r; X. Z, _# {6 t$ q3 t
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.
! P& m  v: w8 x5 V% N7 x9 a' @tvb now,tvbnow,bttvb
* S7 y& R$ `7 H( d6 A. m公仔箱論壇but i have a question. 重量異常 can be heavier or lighter.... so......
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