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tvb now,tvbnow,bttvb" Q. x. q0 T8 G! I$ l* G3 I
共四堆# p. V  b' ]6 l4 Y9 ^( T
称两次得出异常的在那一堆，其轻重
0 }# X$ i, _, e4 |% u! q$ R在异常的那一堆中在称一次
, [2 _2 C5 V9 E' ]1 J公仔箱論壇就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 4 U1 P- U9 j* n) S7 f/ I# D
weight any 2 sets.
& ]4 d, t% G6 s! _6 z3 x0 p5.39.217.77if the 2 sets are equal, then you know the heavy one is in the third
1 G* M) g" Y7 ?8 Eif one of the 2 is heavier, then the heavy one is in that set
5 |- S. P2 C# h  h5.39.217.77then divide the 4 balls into 2.
3 j: z" c, n3 T; Cweigh them
1 N" N& `6 u3 kand divide the heavier into 1
& j4 I- O6 P) R# W0 G公仔箱論壇and weight them.
, J3 t4 u0 K/ p% X* R0 P2 HTVBNOW 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 x weighing and get the ans.  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。( I3 V* j4 |, i7 x3 E$ S
in less than 15 secs.

kino_kino

1. 6 aside and weight.公仔箱論壇& t& {; y" Y1 u
2. heavier side from (1), 3 aside weight again.
# y$ X9 `( s: _! a; U& b3. 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.
6 i! S- l: Q" G' ]- M& y
/ V8 E: V$ d2 i/ Rbut i have a question. 重量異常 can be heavier or lighter.... so......