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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。! s# k+ a6 Z3 r4 E5 C$ ^
規則# t) y* P- n* E
只何用100人搬100塊磚,不能多也不能小...
: c/ v0 W& m8 [( C" b5.39.217.76100人當中有男人、女人同細路仔
& v, K6 }# a3 _9 Y1個男人搬6塊磚公仔箱論壇# G& r9 O2 v: N, K- C) Q
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。9 L+ a+ G: y. P( R. X
2個細路仔搬1塊磚
" q# u1 f4 y5 A; {tvb now,tvbnow,bttvb**************************************************************
4 e0 H+ H4 t' V. C5.39.217.76問搬100塊磚
4 D- G. a0 c2 u' {0 Q0 l公仔箱論壇要幾多男人、女人同細路仔5.39.217.764 X& R; b, z1 C+ J
* \0 m5 B$ |# ^( s
答案30號公佈
: C. [' |+ U0 q, o公仔箱論壇5.39.217.761 N- }7 \- Z$ t. ~4 T( B% i
[ 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.tvb now,tvbnow,bttvb, N: p! l% }# \  V- X( Q/ z
Let x = Male, y = Female, z = Child3 N  Z8 i( M' y$ ]6 u2 s
6x + 3y + z/2 = 100   Formula 1tvb now,tvbnow,bttvb$ t6 J* E. M% e. a8 b
x + y + z = 100    Formula 2TVBNOW 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。9 D1 {: H3 i( O7 M$ a; a- d
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3
3 b( {& j3 x* \9 \& E: }. l公仔箱論壇Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 40 A' U6 e1 _* I7 W
Formula 4 can change into 11x + 5y = 100 Formula 5
6 j2 w$ j. C4 m* ~8 ftvb now,tvbnow,bttvbIn Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.
  r! E" |# }% e9 S( r公仔箱論壇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.
! P: @& N2 ~0 n6 ^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,children
" U6 o* r6 Z2 U* F. @6 \* P0,20,80 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 tvb now,tvbnow,bttvb# {5 E; m* m+ S( m
11x + 5y = 100 Formula 5
1 ?8 ?2 H. M% ?; |9 |8 k11X must be 0 or multiple of 5
: j- }) m9 X4 C5.39.217.76that meanz x must be 0 or 5
作者: manstein    時間: 2007-10-15 08:28 PM

86 children" k8 q8 ^$ t" x4 b1 r3 z
5 male
% U. b- R# z* m5 p5.39.217.769 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
/ l6 g0 c+ z, {公仔箱論壇          5        9       86
作者: fristz    時間: 2007-12-6 10:09 PM

thx4sharing




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