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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2 `* M5 O( l5 y
共四堆
8 W. S) j1 S" u称两次得出异常的在那一堆,其轻重& a6 K5 P. G) y) s* L8 v/ p8 p7 g
在异常的那一堆中在称一次
0 d& T! d, B/ |  g) k, g1 a8 E% e9 q就可以找到了
divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb& P3 }  F! C( n. ?) g
weight any 2 sets.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 ]7 J( G* z) Q7 y2 Y  X. I
if the 2 sets are equal, then you know the heavy one is in the third
2 }2 X3 ]0 c, T4 _: \9 O/ b$ u# L$ ~if one of the 2 is heavier, then the heavy one is in that set  m% {4 }' a! E4 H) N7 {6 K
then divide the 4 balls into 2.
$ E4 b6 C2 x" c' o/ ]www3.tvboxnow.comweigh themTVBNOW 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。2 r& }/ o- L, Y6 }8 W5 l
and divide the heavier into 1TVBNOW 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。1 t) v8 L5 T0 v" a* e5 Y
and weight them.公仔箱論壇7 h+ p2 C. W+ D& E- d
3 x weighing and get the ans.  公仔箱論壇, T& i2 x, e2 ^! U
in less than 15 secs.
1. 6 aside and weight.0 x0 S+ P6 ]3 U; Y9 E
2. heavier side from (1), 3 aside weight again.: n$ r6 ~( A: \# V# I9 W3 f
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.
% ~4 ^1 @# c! A8 L, E6 v7 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。# p" A; m6 w+ ~3 |% x0 V  P$ |! N- J
but i have a question. 重量異常 can be heavier or lighter.... so......
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