[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

1/5

100人搬100塊磚
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, h: K# V0 x; m0 B0 o公仔箱論壇只何用100人搬100塊磚,不能多也不能小...公仔箱論壇4 v; N% ?/ V8 o" r! d/ V3 p; _1 m6 w
100人當中有男人、女人同細路仔公仔箱論壇* C3 G0 f+ F. v) F2 g2 N
1個男人搬6塊磚
, ]' {5 K& l' V' B& B! `tvb now,tvbnow,bttvb1女人搬3塊磚9 D4 n' g! i- m' f- N$ {
2個細路仔搬1塊磚tvb now,tvbnow,bttvb+ b0 J- w0 E5 I5 O& X2 a& m! x( Y
**************************************************************公仔箱論壇$ c* W3 ~7 a& q0 W' G: h2 A
問搬100塊磚公仔箱論壇- e. o6 H( o9 r$ E5 d8 ?
要幾多男人、女人同細路仔
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; E8 Z+ |1 g8 i答案30號公佈
  s* Y( t1 z7 @' R: O: ^! @  htvb now,tvbnow,bttvb4 l4 q; i9 C- H. A
[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]

twinsdragon

That is a very simple mathematics question.# C; N( G, N2 b. `) T) ^
Let x = Male, y = Female, z = Child
8 `% V+ C, D: Q( X9 r5.39.217.77:88986x + 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。, U6 [9 g6 C0 C
x + y + z = 100    Formula 2
& M# Y. S" q4 c7 F) utvb now,tvbnow,bttvbSimplify Formula 2 into z, we get z = 100 - x - y Formula 35.39.217.77:88984 b6 F4 @# c; Y9 r
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4公仔箱論壇" Y+ }7 E' H/ g) V8 r" @( K
Formula 4 can change into 11x + 5y = 100 Formula 5tvb now,tvbnow,bttvb$ [  t" B( K# i- a) y9 W# N6 T" g
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.. I  }; M- t0 [- U' ?2 O
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.公仔箱論壇  c) ~$ f2 W# f7 f8 U3 Z, A
Eventually, the answer is 20 female and 80 children and no male.

alan1234

man,female,children
9 k" _/ @% ]* G) c: b1 N0,20,80 or 5,9,86

RyanC

原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表
9 x0 S  F5 A  L/ a7 @7 @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 + 5y = 100 Formula 5

/ v( n# H0 t) ^' h* Z5.39.217.77:889811X must be 0 or multiple of 5
6 ^9 L7 u" S6 \- wthat meanz x must be 0 or 5

manstein

86 children5.39.217.77:8898! v& _4 N6 {7 S7 R1 S8 p- v
5 male 5.39.217.77:88984 A6 C$ p- G  x0 {( p' \
9 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

1/5

答案:  男人   女人   細路仔
! c; ~8 a5 p/ b. ~5.39.217.77:8898          5        9       86

fristz

thx4sharing