100人搬100塊磚 6 k1 U! W* c' ^; ?tvb now,tvbnow,bttvb規則" B) H. ~. B# t* F0 _' n# u
只何用100人搬100塊磚,不能多也不能小..., Z8 t l2 _$ ?9 J: X8 X
100人當中有男人、女人同細路仔 2 t- Q6 r1 Z8 B3 @3 |: A8 h5.39.217.771個男人搬6塊磚 + _( m+ {, s6 U9 uTVBNOW 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女人搬3塊磚tvb now,tvbnow,bttvb; A) M8 ?! J( g0 X. j% f
2個細路仔搬1塊磚5.39.217.77% h( I7 P9 _$ u8 P. `$ D |4 r1 v
************************************************************** 3 @/ L0 a+ O. R% e0 `& I5.39.217.77問搬100塊磚" U! A }' W- B" V6 Z
要幾多男人、女人同細路仔公仔箱論壇3 R* k% m( R3 t% a
+ J; X" j% i/ V3 }8 d) q: l( b" ?1 c9 z
答案30號公佈 " Q1 y) R9 C3 S( k! u : c7 l$ ]$ g. G, o; g1 B[ 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.5.39.217.77( ^' @7 h. Q3 u1 `; v
Let x = Male, y = Female, z = Child公仔箱論壇! T' l% j& z9 f0 C7 u b' a7 k
6x + 3y + z/2 = 100 Formula 1tvb now,tvbnow,bttvb' L1 R, W5 T2 G3 M8 r$ \7 r* z. T
x + y + z = 100 Formula 2 , Y- }2 W$ O" {) d( F公仔箱論壇Simplify Formula 2 into z, we get z = 100 - x - y Formula 35.39.217.77! @2 R7 D0 B5 O) _! N5 }. _
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4tvb now,tvbnow,bttvb. p0 } _9 p& I- q& Y9 g
Formula 4 can change into 11x + 5y = 100 Formula 5 3 l( \3 j8 L. ]3 ?0 Y) cTVBNOW 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。In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 2 k1 R& H- {2 i& fAnd 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.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。0 |3 i* a2 y* _/ E& X% i' b3 H
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
! N+ X! z! v8 E' l# q/ \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。11X must be 0 or multiple of 55.39.217.77. g3 S. X. g7 x% X$ E
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children / r, ]. Z+ S$ E公仔箱論壇5 male 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。, H* m0 b0 ?0 f$ Y3 Y" u4 E
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
