There is 12 balls.. divide them into piles of 4
9 u5 n: [3 a, H: v1 e& ?公仔箱論壇so 3 groups for 4..name is A,B,C
|$ |5 l9 X2 g) A* V0 R6 q. nTVBNOW 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。case 1:
. a* ?2 x' R3 n& e5.39.217.77measure A -- B % ]# q2 j3 Q" c# n
A or B is heavier
) X* s4 y8 r6 I- r( P3 S; B& ctvb now,tvbnow,bttvbdivide that group into 2 by 2
: l1 O6 f# ^6 p# OTVBNOW 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. q6 [7 c7 x2 Z# c8 Q
) j s N" X# m; ^: z: 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。4 _) L) z3 R* X
A and B is the same.. therefore C has the heavier ball+ M/ u$ ^" l* `1 N- s/ l
divide C into 2 by 29 @$ j: A3 i0 _7 \ M- J1 V
then divide heavier group into 1 by 1..
/ Y4 U1 o4 r4 l" [1 A- G$ V公仔箱論壇5.39.217.77" {# }% g- u, T/ r
got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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