There is 12 balls.. divide them into piles of 4
4 \) k+ C) s+ { g/ N2 h% t9 fso 3 groups for 4..name is A,B,C
. d( n& I7 ^- f; a! |$ Z- Ncase 1:
+ d4 n# s' b" p' m0 q4 h( n! Fmeasure A -- B 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。9 O: m6 G. a" r8 Y8 n# b% S
A or B is heavier
7 |# [. j6 W7 c0 o& x4 d2 e5.39.217.77divide that group into 2 by 25.39.217.77% E0 Q+ u& q- K/ M% ?! r1 `
then divide heavier group into 1 by 1
3 @1 _6 Q |5 N- y" z" C4 O+ |3 f6 V
4 C( j+ y y7 w5 _9 u2 j公仔箱論壇case 2:
. Z: `/ E S$ D, {' x* F4 d' KA and B is the same.. therefore C has the heavier ball5.39.217.77% {$ a& w( l: F, m
divide C 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。& ^2 w1 Q7 D. x h- r
then divide heavier group into 1 by 1..5.39.217.777 e3 v/ N! O/ R* e: v. ?
, I- m( p; J; Sgot it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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