There is 12 balls.. divide them into piles of 4
, ^5 v) s/ h/ O! L' {so 3 groups for 4..name is A,B,C. s+ `% j, f3 g2 g
case 1: 公仔箱論壇0 [ x: @- g% }* F
measure A -- B
4 K0 Y" [3 u4 t1 \tvb now,tvbnow,bttvbA or B is heavier 公仔箱論壇- r; q. x7 j9 u. Q$ @& D
divide that group into 2 by 2公仔箱論壇) o5 m4 {" Z1 w3 H* U. f. B
then divide heavier group into 1 by 1
) Q, M7 M3 G5 ~0 L7 vTVBNOW 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。8 U5 F# {7 x4 G& D8 X0 M. e
case 2:
& ? t- K, @" h- u9 E. T公仔箱論壇A and B is the same.. therefore C has the heavier ball6 s7 N0 t2 j( [' b
divide C into 2 by 28 q, T4 ]: X9 j7 D9 N( Y' V7 O5 t
then divide heavier group into 1 by 1..
5 y* s4 b8 l5 \3 y
2 R! d. c7 r4 i- W6 l' b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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