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不知道
why
看答案
let the 12 balls be numbered 1,2,3,4,5,...,12www2.tvboxnow.com# j% |$ c0 A. U4 g$ n: @
weight 1234 with 5678tvb now,tvbnow,bttvb( K* r# b$ m) K: a3 R# m; S
case 1
7 V% K9 J" ^. D  B# rif 1234>5678, then weight 125 with 678. f( x5 d1 \/ b3 s
if 125>678, then weight 1 with 2
7 M9 k  H- n* H" ?5 S, Lif 1>2 it is 1, if 1=2 it is 5, if 1<2 it is 23 n; Z  {9 F. i5 l. y
if 125=678, then weight 3 with 9
% l, D! i* n' h! ^www2.tvboxnow.comif 3=9 it is 4, else it is 36 h3 M7 q7 v' x" w( s9 N
if 125<678, then ewight 3 with 4
3 S0 y$ L/ R7 C2 d3 I: E/ cif 3>4 it is 3, if 3=4, it is 5, if 3<4, it is 42 h8 S. ?% ]" W+ f! b5 n" W1 \  y
' x8 ?9 b" t( y# V
case 2公仔箱論壇; G3 k5 \0 l8 k4 M
repeat above for 5678 instead of 1234 if 1234<5678: q$ |: j0 `; I& Y* u  I5 X4 L9 N
www2.tvboxnow.com7 F; U# e$ |  P: S; e, t& S
case 3公仔箱論壇. J5 M% y; }5 y1 O
1234=5678, this case u only have 9 10 11 12 as possible, this is easy enough that i don't need to explain7 c$ L6 c7 v6 |, g. P

6 `, l! a* D% P* N- P5 N' Mtvb now,tvbnow,bttvb[ 本帖最後由 l0709394 於 2007-5-8 10:15 AM 編輯 ]
thx
how?
the ball's weight is abnormal than other, not only heaver than other

回復第 1 帖由 MagicAndy 所發的帖子

好贴啊~~~
我都諗到.. 但唔知岩唔岩
实在想不出了
=.=
CC
太简单了吧?
cc
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