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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
9 F# ~8 N1 m& t0 V$ I9 Q3 j! `  vtvb now,tvbnow,bttvb規則公仔箱論壇$ C3 T. F7 H/ R/ \
只何用100人搬100塊磚,不能多也不能小...
! A. P! O" c6 k8 ]: }$ b4 ^# a; x5.39.217.77100人當中有男人、女人同細路仔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。9 F8 P' U3 I$ l( o8 A
1個男人搬6塊磚
0 q5 x+ z3 S9 k7 Y; G- h1女人搬3塊磚
! D/ \% h8 A7 x! J" d1 O8 B( V5.39.217.772個細路仔搬1塊磚
; t. F) L$ [* N/ B- C2 b; N0 v**************************************************************
/ g8 o. \* n/ G, ^9 u5 A3 }, r$ o, B問搬100塊磚/ M; U+ F! C! B" `
要幾多男人、女人同細路仔
( I0 i! B: t2 c* \* M+ `5.39.217.77
! g$ T4 w5 D; v0 x5.39.217.77答案30號公佈
' m! [/ }0 K2 a% a& }1 p5.39.217.77
' D2 a* ^/ j5 A2 j公仔箱論壇[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]
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。  \5 n# |4 o4 R$ Z/ |- A) w$ ]6 o& X
Let x = Male, y = Female, z = Childtvb now,tvbnow,bttvb$ Q2 `$ z% Z1 H; m; H; z
6x + 3y + z/2 = 100   Formula 1
7 N1 z. Q  i& m9 q6 z. Gx + y + z = 100    Formula 2
3 b- V4 ]" F4 G0 q7 `! R: C, QSimplify Formula 2 into z, we get z = 100 - x - y Formula 3tvb now,tvbnow,bttvb+ G; \' g% v: H
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4
5 G% P% O; l5 [6 H2 d* x' R* bTVBNOW 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。Formula 4 can change into 11x + 5y = 100 Formula 5公仔箱論壇) c! @- `. l0 Y; M5 d
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.5.39.217.777 G1 n- w5 ^* m) e: M9 T
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.
9 }, {$ @7 E: _4 B/ W& ?. aTVBNOW 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。Eventually, the answer is 20 female and 80 children and no male.

two answers

man,female,children5.39.217.774 w6 p, K1 H% ~; u0 I# c; f' B3 O0 o
0,20,80 or 5,9,86
原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 公仔箱論壇3 _4 v* A, T% B5 h* n
11x + 5y = 100 Formula 5
tvb now,tvbnow,bttvb5 Q  t& m1 O3 v4 P( f$ t7 l8 H
11X must be 0 or multiple of 5
: q/ @5 s! i% @/ V; u$ a( Lthat meanz x must be 0 or 5
86 children
& O) B) F+ N+ D- itvb now,tvbnow,bttvb5 male 5.39.217.77+ T" g  A$ T5 [% t$ d
9 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2 S2 f+ C8 m4 w  |1 N
          5        9       86
thx4sharing
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