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[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tvb now,tvbnow,bttvb: k# m9 L# [! Z+ L8 H$ ^( Y
規則
8 e3 L$ Y" Y* j" m2 f; c5.39.217.77只何用100人搬100塊磚,不能多也不能小...
+ C. B; J5 M6 I1 m; V. }( q, C3 \6 ]& g6 O公仔箱論壇100人當中有男人、女人同細路仔
! s+ t% f# ~: ~$ d# S; L. D, J5.39.217.771個男人搬6塊磚
- a% Y& X* \# p5.39.217.771女人搬3塊磚
0 r, j9 t0 x1 U) I- b5.39.217.772個細路仔搬1塊磚5.39.217.772 e' j1 {  s2 n- t" A
**************************************************************tvb now,tvbnow,bttvb$ h: z# b3 p. u7 B8 p- q& K: X
問搬100塊磚公仔箱論壇* \, P% U( E+ O3 U$ ~
要幾多男人、女人同細路仔公仔箱論壇. F9 _5 Q4 X6 r" A' p' d

4 T6 Z. {5 o; t; ~公仔箱論壇答案30號公佈
- `6 s. i1 Q2 a2 F# z1 \7 HTVBNOW 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。
0 E1 a3 p" N* q$ k[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]
That is a very simple mathematics question.
. s* u3 E0 i! Z. X; L% W+ b/ u公仔箱論壇Let x = Male, y = Female, z = Child5.39.217.77, D0 C9 W; [+ |$ I' Z  w: r
6x + 3y + z/2 = 100   Formula 1
3 o% S# o, |# R  S# Z公仔箱論壇x + y + z = 100    Formula 2( H6 ?& z7 J7 y# j
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3
7 Z" ]0 b& Q) a# x: X  |! X公仔箱論壇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。" p& P1 P, ?4 v+ i, c5 M9 p
Formula 4 can change into 11x + 5y = 100 Formula 51 V/ E% k  H$ C; }
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.公仔箱論壇4 P$ Q+ `* b1 R8 `8 }
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! V: ?0 E! H: V6 F' |2 R( |
Eventually, the answer is 20 female and 80 children and no male.

two answers

man,female,children
5 s- o% I- r6 ]5.39.217.770,20,80 or 5,9,86
原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 5.39.217.77; z+ I+ ^) i5 m* |2 X( V5 U
11x + 5y = 100 Formula 5
1 }( E7 E4 S* W) Y$ ~: d7 O! N
11X must be 0 or multiple of 5
8 P  D4 M. J& p7 C  j" nthat meanz x must be 0 or 5
86 children
' @+ h! }  d* k$ D# ctvb now,tvbnow,bttvb5 male
# h4 [; ^7 O% U( N; H" b/ P  @; z8 k9 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$ v1 l' K9 j9 O% K; n
          5        9       86
thx4sharing
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