100人搬100塊磚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。& j; e: k3 i& ~/ _4 A
規則 7 U9 \: `8 U# f' O3 D s2 A) M只何用100人搬100塊磚,不能多也不能小..." b' c z* |' n: r$ ~
100人當中有男人、女人同細路仔1 A, @" G) J$ o3 W# @
1個男人搬6塊磚. F( T. q/ a Q: ]3 ~* N5 v
1女人搬3塊磚 ; j5 @8 U# [9 l, k+ y) V公仔箱論壇2個細路仔搬1塊磚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。! \& e i- Z. [1 C
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問搬100塊磚tvb now,tvbnow,bttvb) G5 n9 J$ m" M
要幾多男人、女人同細路仔 % D8 P8 e! {2 U6 A6 u/ F, qwww2.tvboxnow.comtvb now,tvbnow,bttvb( Q0 q9 e/ t. m0 y0 z! f
答案30號公佈 5 D8 I |( ^+ g& C 1 Q' D1 p1 t3 a1 }: Pwww2.tvboxnow.com[ 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.tvb now,tvbnow,bttvb( v3 E; K9 y8 c- h: j7 V; g
Let x = Male, y = Female, z = Child {3 d) @$ \3 b _% i& D" v6x + 3y + z/2 = 100 Formula 1 / Y h7 g2 h" utvb now,tvbnow,bttvbx + y + z = 100 Formula 2tvb now,tvbnow,bttvb! G5 o" X$ B9 `# H' H+ U% e: y: ?
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 1 ?( ` v& f$ N2 [Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 " H8 N+ f' k+ {3 Z0 r+ P$ S {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。Formula 4 can change into 11x + 5y = 100 Formula 5 : U9 g o' J+ r, I j$ o+ ewww2.tvboxnow.comIn Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. / U; o$ F9 @; D- W/ V3 |www2.tvboxnow.comAnd 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. - G; M% F- ?8 @: g z. g9 V. {& MTVBNOW 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。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
tvb now,tvbnow,bttvb7 C2 L$ F) b3 g, }# {
11X must be 0 or multiple of 5 2 n0 q& s% K! H; e# Wwww2.tvboxnow.comthat meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 childrenTVBNOW 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。/ Q9 ~* n: @( W. \ f0 O3 d
5 male , J) j: r3 m0 D, r- E, n L) p3 S: a9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
