There is 12 balls.. divide them into piles of 4
" X; G( H# V& c" n2 r. _: Y3 T- G9 ktvb now,tvbnow,bttvbso 3 groups for 4..name is A,B,C5.39.217.772 N8 ^# _ D8 ^3 p/ N8 C: e
case 1:
6 {7 x4 M f1 d, h3 H1 M. v5.39.217.77measure A -- B / n/ x. G" G; b2 G, B4 K
A or B is heavier
+ D- d( L8 N9 o公仔箱論壇divide that group into 2 by 2! J0 |3 ~3 |# P" l
then divide heavier group into 1 by 1公仔箱論壇2 O/ u! o3 j- [! i# ]
2 [6 K5 m2 f: @; [7 b
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。& H: B9 l* P# ~' K( {8 B+ h, `. u
A and B is the same.. therefore C has the heavier ball5.39.217.77. T# v6 G1 b$ k) R9 O, m
divide C into 2 by 2公仔箱論壇; q: s& C$ `) C j- K- K2 N+ d
then divide heavier group into 1 by 1..! N" K% b; K, k) ` G
& s9 j- C- r/ T" \8 A公仔箱論壇got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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