[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
" u1 @6 a) g% \6 h0 r5.39.217.76規則
; \( r2 {8 [4 I; d  ^6 W2 A8 L( F% P: \公仔箱論壇只何用100人搬100塊磚,不能多也不能小...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) x. b' U- Y. h) `. E
100人當中有男人、女人同細路仔
5 E2 ]! L/ ]1 ]$ B1個男人搬6塊磚5 m0 x1 t% p0 h6 K+ h2 ~
1女人搬3塊磚公仔箱論壇% }2 X5 l7 a! a8 v' M4 b4 o
2個細路仔搬1塊磚
; o  I4 l( W. E9 y" D3 p' ^  @公仔箱論壇**************************************************************( _2 }2 u0 C; E  c- I
問搬100塊磚5.39.217.762 v( e  F; r  `" Q+ O2 J
要幾多男人、女人同細路仔
+ E5 |+ h4 e5 E! D3 f& r6 o8 r. o' @% N* |8 K- x& |' X
答案30號公佈公仔箱論壇6 ?8 d- ^6 S. A8 L
公仔箱論壇+ i  e- O* s! o4 {+ b
[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]

twinsdragon

That is a very simple mathematics question.
" `0 a: p3 w# l6 ?  D# M5.39.217.76Let x = Male, y = Female, z = Child公仔箱論壇; n1 ^; K9 A3 B; s1 e8 p2 x% g( q
6x + 3y + z/2 = 100   Formula 1
) X6 r. s- _: h3 {8 Gx + y + z = 100    Formula 2
1 J4 ]. Q3 N& ^" o5 G5 [1 _5 A5.39.217.76Simplify Formula 2 into z, we get z = 100 - x - y Formula 3
: @: A8 s8 p; t: F. [+ }" f公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4, l; L0 B/ {; \  |6 K( ~$ n+ b/ Q
Formula 4 can change into 11x + 5y = 100 Formula 55.39.217.76! w) D. a; }/ }4 F) A
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.
0 k* o) ]; A5 A$ k% L, D7 D) x% }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.
& `+ x. t: g; D1 M/ ]公仔箱論壇Eventually, the answer is 20 female and 80 children and no male.

alan1234

man,female,childrentvb now,tvbnow,bttvb# Y5 S, c: [0 J$ ]1 K5 U
0,20,80 or 5,9,86

RyanC

原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表
5 H! Y8 K5 I: g  |2 o# c3 ~5.39.217.7611x + 5y = 100 Formula 5

* `% U& d; X: H- x1 b* v7 ]tvb now,tvbnow,bttvb11X must be 0 or multiple of 5
8 O! P# v' e. b, P9 N& p+ O$ Q! [5.39.217.76that meanz x must be 0 or 5

manstein

86 childrentvb now,tvbnow,bttvb# J$ v$ d9 r6 \3 h7 c; n8 u1 @1 b
5 male . \6 W/ f; Z1 `2 C# ~
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。: S6 u$ F) V2 t: e
          5        9       86

fristz

thx4sharing