There is 12 balls.. divide them into piles of 4
% I1 G* m0 D9 j7 p5.39.217.76so 3 groups for 4..name is A,B,C5.39.217.765 h5 v ~8 s8 r- C
case 1:
- m8 c5 E. p4 ?9 x1 w* J) \9 [tvb now,tvbnow,bttvbmeasure A -- B
3 e- j E2 r6 V o) R- P5.39.217.76A or B is heavier / T. G% H0 c$ O' A: `/ f) t" G
divide that group into 2 by 25.39.217.76- d7 N. o7 Z9 _2 D
then divide heavier group into 1 by 1
O. g: J2 f6 a# U: wtvb now,tvbnow,bttvb
! O4 Z% e9 k! L1 c" r- a# Tcase 2:: a1 z; ?" g# d Z( X
A and B is the same.. therefore C has the heavier ball
7 l9 [" g, @1 W$ hdivide C into 2 by 2
7 A$ \+ |$ N$ n0 `) VTVBNOW 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。then divide heavier group into 1 by 1..' a; }1 l0 c2 _$ ^/ c5 U9 ^6 J5 B3 L
. h6 l' j* B; }, otvb now,tvbnow,bttvbgot it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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