lux1261

答案!!!!!!!!!答案!!!!!!!!!!!答案!!!!!!!!!!!!!1

lesley

^:)^ >:D<

leekh

thx

jc49

let cc

Special_Forces

not possible

sm911118

不知道要怎麼做阿??

laou

hao

jen198053

there got more simple way to do it, just read my way, the one i answered before

samkk123

the

hakis

see 了

jenfien

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

fxenon

how?

nyb

先分3个一堆
. M% o$ \8 j, \8 ?* u+ H! m公仔箱論壇共四堆
7 d- w. m% k- x9 K) qtvb now,tvbnow,bttvb称两次得出异常的在那一堆，其轻重5.39.217.77: \& g5 V8 S1 u; A
在异常的那一堆中在称一次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。: X0 `# ~. {. N
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. - r, ~: _  G4 @% O5 S4 c  Q, q9 A
weight any 2 sets.
9 E' G! v+ c8 p$ O7 i9 X9 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。if the 2 sets are equal, then you know the heavy one is in the third+ n  ~' t6 v2 O' Q! R
if one of the 2 is heavier, then the heavy one is in that set
' E) U/ r3 ^" K- J" }# V7 l1 e0 jthen divide the 4 balls into 2.
* F+ T. W) B' P$ @/ r! b1 w, Z公仔箱論壇weigh them
* z6 S- r/ E' [# s5 @- Z$ Dand divide the heavier into 15.39.217.776 ?9 e: U& ]9 V4 m; z& y. Z
and weight them.5.39.217.779 O; A6 w3 i; F2 V0 b. Z; M# }3 D3 K
3 x weighing and get the ans.  & G& C/ f/ E* W9 v, h2 o
in less than 15 secs.

kino_kino

1. 6 aside and weight.
+ O- Y( r9 l: t2. heavier side from (1), 3 aside weight again.5.39.217.77: i9 _- u. Y; q7 g7 j# ?( y6 ?
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.
) T/ S0 J- A, S7 U5 B, V
7 E2 P! @8 i( e$ U8 ttvb now,tvbnow,bttvbbut i have a question. 重量異常 can be heavier or lighter.... so......