[IQ題] [數學題]100人搬100塊磚 ， 描述： 問要幾多男人、女人同細路仔

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100人搬100塊磚
& j2 t0 ^  s0 M, a9 w+ Otvb now,tvbnow,bttvb規則
2 d! J# d% k3 I- u1 ^5.39.217.76只何用100人搬100塊磚,不能多也不能小...$ Y/ y+ ?+ j3 v% U0 M! Y0 A
100人當中有男人、女人同細路仔
2 x# s& d; 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。1個男人搬6塊磚公仔箱論壇; Q. Q/ y3 Z# B
1女人搬3塊磚
4 o4 n% c4 u& H$ k0 ]" j- j2個細路仔搬1塊磚
$ B/ Q. ]" P1 ~  L+ I**************************************************************
2 X: _; g# l2 ?# q問搬100塊磚
6 @! J" H, p3 C4 J1 ?: F6 H5.39.217.76要幾多男人、女人同細路仔
6 i0 N& a$ F6 w
8 z5 y8 {2 S  ]( [' J8 K. k6 L答案30號公佈
8 n+ q0 e9 b" b: @9 k  TTVBNOW 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。
$ ~! N& k. E. M* Z5 ]7 Y5 i[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]

twinsdragon

That is a very simple mathematics question.
: z5 Y; v6 W  a/ H/ wLet x = Male, y = Female, z = Child
5 \8 \" q1 }7 c5.39.217.766x + 3y + z/2 = 100   Formula 1
) g7 a# ^6 L5 G0 S3 }tvb now,tvbnow,bttvbx + y + z = 100    Formula 2
8 t" s: F* K  ?' USimplify Formula 2 into z, we get z = 100 - x - y Formula 3
& s0 B) j2 @& ^3 I5.39.217.76Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4  `- n: Y6 w% Q+ O+ i
Formula 4 can change into 11x + 5y = 100 Formula 55 a. w1 z: u6 Y7 E+ _3 q, f
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.公仔箱論壇5 ]: x% P3 m  q2 J
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.tvb now,tvbnow,bttvb8 H  Q$ a' Y0 s
Eventually, the answer is 20 female and 80 children and no male.

alan1234

man,female,children8 e2 u, b: `( |( @7 z( |' S
0,20,80 or 5,9,86

RyanC

原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表
/ H2 A* B/ G: T5 t; }8 ?11x + 5y = 100 Formula 5

0 B' k- I  \! r+ r/ e$ v11X must be 0 or multiple of 5* B* C8 }% O' s# z/ O# I; p" P$ }
that meanz x must be 0 or 5

manstein

86 children
, m" {) f6 ]- Z0 i# L6 W2 A4 z5 male
3 g( B# ], Y$ V4 i4 Xtvb now,tvbnow,bttvb9 female

dafunhei123

数学问题，线性代数，我算算再说

dafunhei123

4楼5楼的算对了。看来这里的人也很无聊，线性代数，大学的教材

ghjleo

5,9,84

leou2830

想知道耶

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答案:  男人   女人   細路仔% [( E. ~* T8 B
          5        9       86

fristz

thx4sharing