There is 12 balls.. divide them into piles of 4
% m6 g0 C/ ]3 Ntvb now,tvbnow,bttvbso 3 groups for 4..name is A,B,Cos.tvboxnow.com3 e ~) a/ C) f1 k
case 1: 公仔箱論壇, n6 X: U) ~) E$ @
measure A -- B - A" X+ _# @7 P, y0 s
A or B is heavier 公仔箱論壇- t3 L# ]9 J4 z
divide that group into 2 by 2
; N7 U" M' ? d* ?, Mthen divide heavier group into 1 by 1tvb now,tvbnow,bttvb s8 i" @0 ]/ a; u8 G( A
os.tvboxnow.com' `& k3 A- z* c- h+ x, S) \! }
case 2:9 Z* p; l* s! J' W4 }+ S
A and B is the same.. therefore C has the heavier ball
/ L; _' v0 _, v' q0 b; Dtvb now,tvbnow,bttvbdivide C into 2 by 2 Z8 }) E8 Y& P1 f
then divide heavier group into 1 by 1.." z( [9 p- E" ]% {
! M( g2 o0 t9 N3 |- fTVBNOW 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。got it in 30 seconds.. not so hard -.-' |
發表於 2007-3-27 01:35 AM
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一知道有答案睇就唔想谂咁耐了
