100人搬100塊磚 3 c3 j- V) V5 j0 ?* @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。規則 4 X2 ^+ |. g/ U2 Z只何用100人搬100塊磚,不能多也不能小...公仔箱論壇8 }/ z$ V; r- @. I0 h; \+ D C# L
100人當中有男人、女人同細路仔 - k- [5 A, x s- i6 ~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。1個男人搬6塊磚 - |# Z: x0 _& f5 U2 L: C1女人搬3塊磚tvb now,tvbnow,bttvb3 p! O# v8 R% W! b) l& h8 I
2個細路仔搬1塊磚4 y4 t5 o) ]5 Y5 E- K
************************************************************** . S d+ b! u$ P# c. q1 c公仔箱論壇問搬100塊磚tvb now,tvbnow,bttvb' ?: ]* `, u+ s
要幾多男人、女人同細路仔* D2 d# U, v* v0 c: s( F
tvb now,tvbnow,bttvb. G! r+ \6 R" d& O" y& ~9 I9 h
答案30號公佈 - M# f4 H7 w' K8 Qtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb, m1 o' i; s" O" }6 d
[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]作者: twinsdragon 時間: 2007-10-13 05:40 PM
That is a very simple mathematics question. 6 k4 X& M" ~& o; I# S. v3 ^公仔箱論壇Let x = Male, y = Female, z = Childtvb now,tvbnow,bttvb. J( Z; E0 h! r1 a0 e
6x + 3y + z/2 = 100 Formula 1TVBNOW 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。! r1 H( ?9 J0 _( Q2 g; `& X* h
x + y + z = 100 Formula 2公仔箱論壇' [" S' ]' x3 e- c: H
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 , j' k: g: `- Y: v: l) qSub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4$ Z, r2 n" O- C$ C& ]9 ?# s" l
Formula 4 can change into 11x + 5y = 100 Formula 5 # \9 _1 `8 [* u- O+ h. jtvb now,tvbnow,bttvbIn Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.% L' z8 \) y6 \! x/ C8 Z f f# [
And between 0 and 9, only 0 can give me a single number of y. So, x has to be 0 and y have to be 20. Then put x and y back to formula 1, we get z = 80.5.39.217.767 ?0 v$ k) a8 O F2 D
Eventually, the answer is 20 female and 80 children and no male.作者: alan1234 時間: 2007-10-14 12:19 AM 標題: two answers
man,female,children6 l$ Z! T7 ?- i- @. N' N
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 5.39.217.76( x1 U, D1 h6 M( m
11x + 5y = 100 Formula 5
5.39.217.764 O d7 h$ P0 x5 D1 Q+ r) R
11X must be 0 or multiple of 5TVBNOW 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。3 E+ F! `, m' j- }7 d5 V9 ?
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children7 c" i# }' m/ D
5 male tvb now,tvbnow,bttvb% J4 K% N e2 r$ f$ j S# `# b
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
5.39.217.76( x1 U, D1 h6 M( m
