There is 12 balls.. divide them into piles of 4
9 ~3 g0 m. i5 J/ y7 J! I& Kso 3 groups for 4..name is A,B,C
9 m6 u/ ?, ~8 h/ p6 @case 1: 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。6 Y2 t! `. s7 P( z
measure A -- B 9 f9 l0 m8 J% i6 {
A or B is heavier
3 J# C2 b; i& ]+ g) |divide that group into 2 by 25.39.217.77:88989 {$ r( h r% {
then divide heavier group into 1 by 1
. }- u2 }8 }# Z; X; k- l p3 h/ v& l% P3 I- F& s0 ~
case 2:8 o# z, X6 a" i7 \
A and B is the same.. therefore C has the heavier ball5.39.217.77:88989 R; m: N6 z! B% ~8 F/ e
divide C into 2 by 2
' J0 \& K! A2 \& {tvb now,tvbnow,bttvbthen divide heavier group into 1 by 1..
+ T# a/ \( A! C! S/ h5 D( F5.39.217.77:8898TVBNOW 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 d8 z3 z4 G( @$ n9 j" |' P" D
got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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