There is 12 balls.. divide them into piles of 4
0 R2 f* x! B& e% j, |' Dtvb now,tvbnow,bttvbso 3 groups for 4..name is A,B,C
& G2 V0 e2 k* _3 |6 T公仔箱論壇case 1: - U4 Y3 X- b. b8 h2 U
measure A -- B
9 Q& g1 _8 Q- p2 EA or B is heavier
; p* V4 ^8 d* q' 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。divide that group into 2 by 29 |) A# d1 Y! f* {! n
then divide heavier group into 1 by 1
' d6 H% O( A1 w3 b/ W& r0 ^1 }4 ETVBNOW 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。
, [' K) X1 Y" Hcase 2:
2 M% ~9 }9 B: {9 Q' [. i X" ?/ q. pTVBNOW 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。A and B is the same.. therefore C has the heavier ball
2 p( N, F$ n' k0 F$ {8 a- Tdivide C into 2 by 2tvb now,tvbnow,bttvb' \7 N+ d7 p9 z
then divide heavier group into 1 by 1..
3 s/ V3 ~/ f+ ~tvb now,tvbnow,bttvb
3 X0 `0 N# C* p5 H: g- q$ ~got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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