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
4 T4 Y8 v$ u7 T+ B& ntvb now,tvbnow,bttvb共四堆9 Q$ w( Z) ]5 n8 }7 l# N
称两次得出异常的在那一堆，其轻重
! x& c3 |4 k& K- D+ x在异常的那一堆中在称一次& I  t- C" n, b4 I7 U, W& ]6 O
就可以找到了

ceteriz

divde the 12 balls into 3 sets of 4. 9 @8 @5 I* u! y' ]0 `: a1 k
weight any 2 sets.
0 i2 z( [5 Z, |. {% z6 O! ^公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third
) F: B7 H& C2 P, [) S$ q5.39.217.77if one of the 2 is heavier, then the heavy one is in that set; `3 q4 x& i6 m
then divide the 4 balls into 2.
/ \- z2 O  Q& u% Fweigh them! X+ z! P1 X; |2 w
and divide the heavier into 1
) Q" g  F9 z2 cand weight them.1 p2 F2 |' A4 A* G
3 x weighing and get the ans.  0 R+ [" f* o* \; L( T
in less than 15 secs.

kino_kino

1. 6 aside and weight.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。% H$ B8 {0 y, r. j
2. heavier side from (1), 3 aside weight again.
2 I2 I: E& W/ U1 I公仔箱論壇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.
0 [5 Z& Z, |" d& gtvb now,tvbnow,bttvb  K. b8 h% t& Z, ^3 X5 W
but i have a question. 重量異常 can be heavier or lighter.... so......