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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
9 D# _& j* {5 F) W  ~5.39.217.77共四堆
2 ~% R1 x  L( m6 }0 p" KTVBNOW 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
& p+ L( J' t; [7 }tvb now,tvbnow,bttvb在异常的那一堆中在称一次tvb now,tvbnow,bttvb( D! f' j7 a" b6 i0 z; l# ?; K1 P# G
就可以找到了
divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb. E2 F, t$ q1 [) q# L. r8 X  \
weight any 2 sets.
0 D; M! j+ @! `$ _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。if the 2 sets are equal, then you know the heavy one is in the third公仔箱論壇4 D& F0 A+ S9 R+ d: w. r
if one of the 2 is heavier, then the heavy one is in that set
& c& c- ^$ n$ f6 U  tTVBNOW 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.
: g! y5 K+ b. W- q, p+ \0 ~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。weigh them
4 o: ]7 M( N) p' Sand divide the heavier into 15.39.217.77; \7 l+ y/ j9 I* J" o, L
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。  F9 r7 j  r+ \: \  L/ ^, X
3 x weighing and get the ans.  5 O8 y+ m: _  `* C% q
in less than 15 secs.
1. 6 aside and weight.tvb now,tvbnow,bttvb; ?% D8 ~* @, f$ p! ^/ t+ p
2. heavier side from (1), 3 aside weight again.
% \: C6 L7 {) s$ v% M) u公仔箱論壇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. 5.39.217.77  N! ^) U1 P$ ~) T" \
5.39.217.77( k- [0 ~) `9 L$ S
but i have a question. 重量異常 can be heavier or lighter.... so......
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