There is 12 balls.. divide them into piles of 4tvb now,tvbnow,bttvb. J7 n4 d; \: @# }" z5 z
so 3 groups for 4..name is A,B,C
9 Y- m" F# z J5 F i. 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。case 1:
+ N9 b3 n/ ]9 S. Y% m) v5.39.217.77:8898measure A -- B
* Q9 L5 E, Z4 }, Wtvb now,tvbnow,bttvbA or B is heavier
8 w+ K- a5 z0 G7 O公仔箱論壇divide that group into 2 by 2
+ X2 L, D$ _1 M4 H6 athen divide heavier group into 1 by 1, P+ H9 d7 d- Y8 m/ f4 u* q
) z" z' b: |1 B0 J* b, g" ^5.39.217.77:8898case 2:公仔箱論壇4 ] p6 g8 |4 T' ^, W* k+ y8 }
A and B is the same.. therefore C has the heavier ball1 h* [/ A+ U' P. X4 A8 _# t8 S
divide C into 2 by 2
" T! W8 N4 Z- v1 }( P4 }$ w/ K5.39.217.77:8898then divide heavier group into 1 by 1..
1 C+ c8 C, i9 ^5.39.217.77:8898tvb now,tvbnow,bttvb) ~! Q1 v: W4 \& c L, ? Z4 ~
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
