100人搬100塊磚 ' S( c9 x1 y! e5 N0 l5.39.217.76規則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 O- @- O1 v5 g) ^1 R: l
只何用100人搬100塊磚,不能多也不能小...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。) v$ q1 `" u( N; p
100人當中有男人、女人同細路仔公仔箱論壇. s2 m6 v7 h8 W b" l
1個男人搬6塊磚tvb now,tvbnow,bttvb! f3 f/ n1 j7 O! w4 @* h
1女人搬3塊磚' a4 B4 k1 @( K2 f
2個細路仔搬1塊磚 4 Z; u5 J \9 K: i: r4 ?tvb now,tvbnow,bttvb************************************************************** $ J' ?" V! `! b; wtvb now,tvbnow,bttvb問搬100塊磚公仔箱論壇$ U5 z/ j3 f, y4 h& P: T' |
要幾多男人、女人同細路仔 / p& h5 _0 B3 y5 Ztvb now,tvbnow,bttvb 8 ]: o5 K1 d' i# r$ y5.39.217.76答案30號公佈, F$ G5 }- m. F1 u
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。7 g8 C. S9 i5 d( v G
[ 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,bttvb6 U4 v0 r7 I9 I) | F3 F
Let x = Male, y = Female, z = Child / U6 @* U' ^( b8 g% i, [6x + 3y + z/2 = 100 Formula 1 , c! f# s( p- Y! [x + y + z = 100 Formula 2 , J- L5 s9 V5 }tvb now,tvbnow,bttvbSimplify Formula 2 into z, we get z = 100 - x - y Formula 3公仔箱論壇+ n' \7 ^8 \5 g
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 , `7 a1 v1 H3 d7 Z: w/ m% O4 ?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。Formula 4 can change into 11x + 5y = 100 Formula 5 # N+ h( D4 s$ w) t5.39.217.76In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. 2 p% D3 C: w. h$ V1 B6 }5 U% X& O' f1 P5.39.217.76And 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.公仔箱論壇3 X6 x/ _. d- R* R' e, D
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 1 \. b4 y2 M. j, U3 v5 m0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM