100人搬100塊磚公仔箱論壇+ e/ V0 J5 O3 P6 Z
規則 / B6 y- }# E4 u& s" e只何用100人搬100塊磚,不能多也不能小...3 ?5 \& I- m ~% E% c0 Z
100人當中有男人、女人同細路仔 6 B$ P- [1 R B% ^! \ @5.39.217.771個男人搬6塊磚 7 V& R: @3 ?/ j/ d7 ]* O1女人搬3塊磚5.39.217.77. ?& n& c' Z) {$ u4 c e, F+ W
2個細路仔搬1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。) }+ Q; O( |- t' q4 m
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問搬100塊磚 $ A9 K- [* V/ O9 |5 l6 Z# x: a5.39.217.77要幾多男人、女人同細路仔tvb now,tvbnow,bttvb7 }1 o7 b/ f0 @: \
) N4 S( W1 |4 M. V4 O p答案30號公佈 7 L p; S( c/ c; C9 F1 |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。 , ]+ c3 I, r, P3 p[ 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.# o; M0 a$ t X* e, w
Let x = Male, y = Female, z = Childtvb now,tvbnow,bttvb* u9 H" N" c8 k
6x + 3y + z/2 = 100 Formula 1公仔箱論壇9 B7 x! a# n1 z i
x + y + z = 100 Formula 2 9 i- h& F: J3 B+ x! D1 J5.39.217.77Simplify Formula 2 into z, we get z = 100 - x - y Formula 3tvb now,tvbnow,bttvb6 H0 E/ K( T( G. v
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 3 ^3 a& B3 u4 @( 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。Formula 4 can change into 11x + 5y = 100 Formula 5 9 J; A& Y. S% _4 o, G1 A8 Y9 NTVBNOW 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。In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. - _0 b, z. L) L0 L' B- ~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. ( }) y& ~) C0 l U8 e, D# U公仔箱論壇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
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。6 ]$ y& U& d8 [
11X must be 0 or multiple of 56 q% p. q* r& [/ E# @: `
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4 e' r. D* |0 D8 u! E, Y
5 male - B2 a! C) }2 o5.39.217.779 female作者: dafunhei123 時間: 2007-10-15 10:39 PM