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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
) |1 N  f& B% F. k& |) v% u5.39.217.77:8898共四堆tvb now,tvbnow,bttvb) r# E8 d! a* x/ w: F" z' h% @
称两次得出异常的在那一堆,其轻重
6 R$ I3 D$ \2 D9 P2 f$ y( S5 Xtvb now,tvbnow,bttvb在异常的那一堆中在称一次1 a0 q& ~  f8 }$ r/ @" \
就可以找到了
divde the 12 balls into 3 sets of 4. 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。+ u. |! ^2 l% d3 N& ~0 d8 Z
weight any 2 sets.5.39.217.77:8898: M5 X( d# J# z+ ?2 N
if the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb* z  i4 R1 }1 V: T
if one of the 2 is heavier, then the heavy one is in that set
) y, ?) g& n, r" Zthen divide the 4 balls into 2.
: i+ j) n/ B2 G; b3 a. NTVBNOW 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
  ]  w  c% r! }- Z1 [and divide the heavier into 1) O  _9 E4 E0 K4 `* c0 o6 c8 R( j" y
and weight them.公仔箱論壇& R( w* W, Q" r' F# B2 f/ e
3 x weighing and get the ans.  
. ]) j! q0 |' \6 \% ~1 Sin less than 15 secs.
1. 6 aside and weight.
* y1 v0 A- k) ?% 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。2. heavier side from (1), 3 aside weight again.% y7 _" f- _  V3 [
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. tvb now,tvbnow,bttvb& c; X  Y- ~- J1 ]; d  v5 O; L7 \

/ }: C: K1 r( {( @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。but i have a question. 重量異常 can be heavier or lighter.... so......
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