There is 12 balls.. divide them into piles of 4+ Q) }0 {7 s3 w+ J P, q( ]1 K1 ]3 K
so 3 groups for 4..name is A,B,Cwww.tvboxnow.com% }- W' ]. K- x+ a, P) s! y7 o
case 1:
6 [0 {- E+ u, R( }" c1 X+ _: m; `tvb now,tvbnow,bttvbmeasure A -- B tvb now,tvbnow,bttvb* U5 g+ J+ M) `8 F% T( W
A or B is heavier
: a% g& f5 ]# Hdivide that group into 2 by 2TVBNOW 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; ]3 D3 E
then divide heavier group into 1 by 10 j0 G6 h/ k) W+ t
$ e- D( P5 d: E, l9 V公仔箱論壇case 2: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。) l1 z" q& H* s0 Z: B5 ]1 p: c
A and B is the same.. therefore C has the heavier ball
; K7 \" f# I- ?8 Ddivide C into 2 by 2
% I" E: @; D! p x3 m9 Zwww.tvboxnow.comthen divide heavier group into 1 by 1..; L+ ~; A1 N* P8 j
tvb now,tvbnow,bttvb. {/ \% l7 J) W4 F8 }
got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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