There is 12 balls.. divide them into piles of 4公仔箱論壇7 X, ^- m* M6 p3 u* M/ C
so 3 groups for 4..name is A,B,C2 O. n! i3 D' o% v4 d0 ^
case 1:
" y5 k% D: k& N3 smeasure A -- B 公仔箱論壇& { N6 b" O. M" w9 Y
A or B is heavier 公仔箱論壇! T+ Q) J! Y$ Q
divide that group into 2 by 2
. H* \! o7 C7 N* h* Kthen divide heavier group into 1 by 1
! G: I! K$ T# J+ s5 tTVBNOW 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。0 q2 `* z4 ?& _0 M4 F: H
case 2:
6 x/ }$ h& q2 uA and B is the same.. therefore C has the heavier ball4 T" v& v( b! q. L P) Y; V4 v% m3 ?
divide C into 2 by 2
2 M* f, X) Q7 A4 t n5 Twww2.tvboxnow.comthen divide heavier group into 1 by 1..tvb now,tvbnow,bttvb2 N2 J* O: A) k# {! ^" \4 q
tvb now,tvbnow,bttvb6 g( s$ |' @6 c% M1 P
got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
| 