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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
3 F! I: u" k& b5 H+ q' e4 Y: Z: Gtvb now,tvbnow,bttvb共四堆www1.tvboxnow.com; j2 ^0 H$ v+ a/ f! }0 w! c
称两次得出异常的在那一堆,其轻重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 B( ?, L' V2 b& z0 {$ B
在异常的那一堆中在称一次tvb now,tvbnow,bttvb6 m  Z# W7 O+ a5 d  \
就可以找到了
divde the 12 balls into 3 sets of 4. % n! e9 Q3 b, I+ s) z
weight any 2 sets.
2 D+ ~& ^; h2 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。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。3 p' q7 T5 b( _, ^) ?# R9 K
if one of the 2 is heavier, then the heavy one is in that set8 o5 `$ T, H; r8 ^( i
then divide the 4 balls into 2.1 J8 O" f) l2 A: h
weigh them0 D1 Y2 f8 ?; y% N3 u
and divide the heavier into 1tvb now,tvbnow,bttvb' F7 w& E( a, f, m$ ~6 p, N+ w
and weight them.
7 w2 v; X6 H# S) ltvb now,tvbnow,bttvb3 x weighing and get the ans.  
: q* _/ v, r5 R8 e. wwww1.tvboxnow.comin less than 15 secs.
1. 6 aside and weight.tvb now,tvbnow,bttvb0 Q3 N/ m3 f9 V  X  |5 Y, p8 Q, N9 l
2. heavier side from (1), 3 aside weight again.
. K3 p* x+ d' |7 `; j& ~, Z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. 公仔箱論壇5 a4 U1 r$ v* s8 r* L6 K) i. S
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。+ [* ?0 }% u  w
but i have a question. 重量異常 can be heavier or lighter.... so......
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