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。$ K4 |: v9 F# i+ h
規則 0 t" [. d' [4 ], A. M只何用100人搬100塊磚,不能多也不能小... ; L: P7 s) {* W100人當中有男人、女人同細路仔公仔箱論壇; O# r: X: s! M' S3 Z2 K
1個男人搬6塊磚5.39.217.76& U Z w' T: g, i
1女人搬3塊磚 ; ]) A) x2 _ q5 d2個細路仔搬1塊磚' m. @, t$ r/ l' T
************************************************************** 4 o; L/ t3 ?9 _1 z& F! k. w+ R問搬100塊磚 , a* x7 k# H4 Ztvb now,tvbnow,bttvb要幾多男人、女人同細路仔 + g0 ^6 e, K. { kTVBNOW 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。 # r) C2 W/ F. c ftvb now,tvbnow,bttvb答案30號公佈 ) e6 \* w7 ^( j: c5.39.217.76 ! j$ e2 C2 L, u5.39.217.76[ 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. ) r: P5 ?. ~% e8 I) U5 o公仔箱論壇Let x = Male, y = Female, z = Child5 f* n: `4 C1 n4 b7 Y
6x + 3y + z/2 = 100 Formula 1 1 \$ V# i2 _0 J1 G! Wx + y + z = 100 Formula 25.39.217.76. @0 d" o( C p! A
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 `- J8 h2 [4 S0 ]7 M# X$ B# Utvb now,tvbnow,bttvbSub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 1 A3 A# A+ A" t5.39.217.76Formula 4 can change into 11x + 5y = 100 Formula 5 9 w2 i; F; G% }, iTVBNOW 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. ! U H4 c5 a. z. w9 Z! u- @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. 0 \, @+ W/ U( h: l8 O, W( TEventually, 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
, L p! y+ }& [/ `1 }公仔箱論壇11X must be 0 or multiple of 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。8 Q2 D C$ g8 l$ _ e7 C. L7 R6 H$ ^5 G
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children 2 V, \5 l7 I. \6 A7 v公仔箱論壇5 male 6 m9 z. x6 g( x' G5.39.217.769 female作者: dafunhei123 時間: 2007-10-15 10:39 PM