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標題: [IQ題] [數學題]100人搬100塊磚 [打印本頁]

作者: 1/5 時間: 2007-10-13 05:08 PM 標題: [數學題]100人搬100塊磚

100人搬100塊磚
規則公仔箱論壇. ]$ S7 E9 Y5 J$ k- M8 e
只何用100人搬100塊磚,不能多也不能小...tvb now,tvbnow,bttvb- N: z! t, g# {4 ]) W: t
100人當中有男人、女人同細路仔公仔箱論壇1 [) Q# v0 Z- ~6 t
1個男人搬6塊磚
1女人搬3塊磚
2個細路仔搬1塊磚% O, _ x# O3 Z* ]! Y
**************************************************************tvb now,tvbnow,bttvb9 o! T, n: Z1 G1 E1 a2 b2 U0 @& ~
問搬100塊磚
要幾多男人、女人同細路仔tvb now,tvbnow,bttvb/ [0 p! L" ^. s* ~) c
0 `9 s; w) _$ ], j4 e# C
答案30號公佈5.39.217.77( ^' H7 |* J! `( A2 i" O
tvb now,tvbnow,bttvb2 a2 f5 d9 g" e+ A/ X, |2 \+ F( T
[ 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.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。4 S& v$ [- M6 m
Let x = Male, y = Female, z = Child5.39.217.77: M/ S. J; @! Q D7 G
6x + 3y + z/2 = 100 Formula 1
x + y + z = 100 Formula 2tvb now,tvbnow,bttvb+ G6 Q' v/ n$ n# N6 k
Simplify Formula 2 into z, we get z = 100 - x - y Formula 31 K" a! N+ Z1 W+ n
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4TVBNOW 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。6 u) G1 ^1 u. t) [5 I
Formula 4 can change into 11x + 5y = 100 Formula 5
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.
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 = 80.5.39.217.77$ [* O" N8 A' ^# s8 T, e" |
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,children1 m3 B o) d5 N( N3 {8 y1 [; E5 w$ w
0,20,80 or 5,9,86

作者: RyanC 時間: 2007-10-14 10:46 PM

原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 5.39.217.77! o2 q% F3 m2 y- @- V9 s' ^
11x + 5y = 100 Formula 5

5.39.217.779 L* H0 R! u. ~1 e& i/ _
11X must be 0 or multiple of 55.39.217.77. Z4 s% r0 ~$ X1 q2 J
that meanz x must be 0 or 5

作者: manstein 時間: 2007-10-15 08:28 PM

86 children公仔箱論壇* k% D. d8 y+ { a6 a
5 male tvb now,tvbnow,bttvb5 w4 K6 m0 R( e6 Y5 y R, B2 c
9 female

作者: dafunhei123 時間: 2007-10-15 10:39 PM

数学问题，线性代数，我算算再说

作者: dafunhei123 時間: 2007-10-15 10:47 PM

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

作者: ghjleo 時間: 2007-10-17 04:23 PM

5,9,84

作者: leou2830 時間: 2007-10-20 10:21 AM

想知道耶

作者: 1/5 時間: 2007-10-30 01:02 AM

答案: 男人女人細路仔
5 9 86

作者: fristz 時間: 2007-12-6 10:09 PM

thx4sharing

歡迎光臨公仔箱論壇 (http://5.39.217.77/)