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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: W2 L1 O) ~" j
共四堆
+ z' W( h5 A- z5 Y; [0 e1 L: Ktvboxnow.com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。# }$ W' K2 \7 V; m- C0 O0 G
在异常的那一堆中在称一次
. h5 C+ g- M% w0 o: ^" {: ntvboxnow.com就可以找到了
divde the 12 balls into 3 sets of 4.
  }; j& T6 I* `! e- Xweight any 2 sets.! D" Q) p/ f. p1 f% T& V
if the 2 sets are equal, then you know the heavy one is in the third( \8 m( O# F# ~: T1 G
if one of the 2 is heavier, then the heavy one is in that set公仔箱論壇( h" g: l+ i6 G# p! a2 P1 l1 m
then divide the 4 balls into 2.tvb now,tvbnow,bttvb" a3 T/ w: R+ `6 o0 B
weigh them
* t' }2 _! E3 A. ?( H( ktvb now,tvbnow,bttvband divide the heavier into 1tvboxnow.com, q0 `$ j3 {7 E+ u# h! }- D# v( \; @
and weight them.
5 w! @6 s- _+ M1 L& p* N3 x weighing and get the ans.  , I, g+ d" \- d& C/ j
in less than 15 secs.
1. 6 aside and weight.tvboxnow.com- _" }8 n; _1 b* r
2. heavier side from (1), 3 aside weight again.
" r; R% f8 P2 N/ H: \; ~/ l) t3. 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. 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。$ a2 A  V) C7 j
tvboxnow.com1 Z$ }# j+ U( U
but i have a question. 重量異常 can be heavier or lighter.... so......
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