返回列表 回復 發帖

[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
100人搬100塊磚, \3 c& v( z* h- _7 e
規則
4 D- t2 y& V+ Ctvb now,tvbnow,bttvb只何用100人搬100塊磚,不能多也不能小...
. m7 a2 i" X- Jtvb now,tvbnow,bttvb100人當中有男人、女人同細路仔
. b6 f& f. U8 H; k0 j6 d# n) y公仔箱論壇1個男人搬6塊磚: D% v/ x/ ]- v
1女人搬3塊磚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。5 @1 Y* ~) A1 Z8 i/ v
2個細路仔搬1塊磚5.39.217.77:8898/ e6 x; Q6 p# V% u
**************************************************************
. P- S& b8 F, |# s  e6 e! m  l8 n問搬100塊磚
2 Y2 w3 I* e! i4 z要幾多男人、女人同細路仔
% j3 R% N, j8 D; A5 u. v5.39.217.77:88986 X9 |5 c1 o' j
答案30號公佈
  u2 G% e8 a1 _8 A0 g公仔箱論壇公仔箱論壇9 h5 `1 b4 p/ V5 |: u, i
[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]
That is a very simple mathematics question.
1 N8 X% n( k+ F  rLet x = Male, y = Female, z = Child
$ i7 P" g9 P% C  B) A( ^4 T( ttvb now,tvbnow,bttvb6x + 3y + z/2 = 100   Formula 1+ l5 A! r9 e! N9 P. H
x + y + z = 100    Formula 2公仔箱論壇) T* ?# H1 t8 s3 \4 @3 h5 C9 A2 |
Simplify Formula 2 into z, we get z = 100 - x - y Formula 38 e% k4 ?. v* d1 o+ |- S% F3 i. c
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4
, L, ], x/ w+ Q9 a# v公仔箱論壇Formula 4 can change into 11x + 5y = 100 Formula 5TVBNOW 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。' e8 ?1 U: A& o0 B* H
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.% ]" e. c/ Z4 ]: r- T: U
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,bttvb7 e6 E. d: _7 D* q5 Y$ F4 I0 J
Eventually, the answer is 20 female and 80 children and no male.

two answers

man,female,children公仔箱論壇0 J, Y" y- r5 h( E# ^6 C
0,20,80 or 5,9,86
原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 5.39.217.77:8898' |# H3 K/ n' Y$ u6 N
11x + 5y = 100 Formula 5
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。5 n8 f3 V/ I6 h6 M6 F4 b1 }
11X must be 0 or multiple of 55.39.217.77:88986 L2 j8 a+ a, U6 O, y
that meanz x must be 0 or 5
86 children
8 P1 k$ ]8 Q4 V  J! y3 b& E0 p5.39.217.77:88985 male
0 J3 |4 e0 \: @' v4 W/ Y9 female
数学问题,线性代数,我算算再说
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
5,9,84
想知道耶
答案:  男人   女人   細路仔
4 N# f! P% M1 q- ?+ S2 H+ z公仔箱論壇          5        9       86
thx4sharing
返回列表