100人搬100塊磚- M$ `$ a: ]7 g( Z3 E
規則公仔箱論壇4 J2 } F3 R2 n
只何用100人搬100塊磚,不能多也不能小...公仔箱論壇/ l" s: X) Q- |* T
100人當中有男人、女人同細路仔 1 H" @5 U6 X7 o% Z: Stvb now,tvbnow,bttvb1個男人搬6塊磚 % O8 \5 e& O/ h9 v) G5.39.217.761女人搬3塊磚* o2 |) g$ l2 D# Y$ Y/ D( ~. x" I) l$ Z
2個細路仔搬1塊磚tvb now,tvbnow,bttvb6 N8 s ?# i+ [" \- {6 a. v9 Z
**************************************************************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。- z) t' t) W7 S! w; D _
問搬100塊磚公仔箱論壇0 q! M+ G& V# t
要幾多男人、女人同細路仔 ; F, z. S4 H3 Q7 H: stvb now,tvbnow,bttvb" F1 R6 F2 Q6 O
答案30號公佈0 o" q* L; ]( H7 y: Z# M7 \; y9 {
公仔箱論壇) H5 ?' S$ |- r& [/ _4 F
[ 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. . d2 v% \- E2 t# {. z1 \( _9 Z2 ztvb now,tvbnow,bttvbLet x = Male, y = Female, z = ChildTVBNOW 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。" Z. [; g, p2 P8 U6 O% p+ O! B
6x + 3y + z/2 = 100 Formula 1, K# l' W! f: `4 a3 a% C
x + y + z = 100 Formula 2 2 ~" E9 U$ l1 U, l* o6 T9 [tvb now,tvbnow,bttvbSimplify Formula 2 into z, we get z = 100 - x - y Formula 35.39.217.76: ]5 N; v; s6 ?# y9 _; n
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 $ K7 E; Y+ u2 m7 }* i$ u4 N公仔箱論壇Formula 4 can change into 11x + 5y = 100 Formula 5 2 u4 `* s# s' D3 y* \+ ~0 [2 f6 T公仔箱論壇In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.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。3 \2 A3 N6 _/ b. t; 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.: ]; `4 m1 R# b
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,children5.39.217.76# g1 _. r. F4 s6 ]1 h4 O" T
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
