100人搬100塊磚tvb now,tvbnow,bttvb7 y3 n* A& |- [7 M
規則 9 e. `% l) y/ i) q只何用100人搬100塊磚,不能多也不能小...tvb now,tvbnow,bttvb% A7 Z+ ?+ y0 n. D
100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。$ Z2 W4 C) D0 ~9 ^ W! q
1個男人搬6塊磚 . H; A9 M5 S5 g9 U" Q5.39.217.761女人搬3塊磚公仔箱論壇8 `0 J4 a$ b& \( ]9 Q, Y
2個細路仔搬1塊磚3 l* Q- }. r5 c2 z
************************************************************** ' M/ h3 A+ Z. K* ?問搬100塊磚 4 k% I% u( N; G! hTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。要幾多男人、女人同細路仔 $ E. w; v) v* ~ T 3 `6 f5 q: y, ctvb now,tvbnow,bttvb答案30號公佈 1 z3 M4 J9 X4 TTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。- p( d1 S: d$ F" x
[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]作者: twinsdragon 時間: 2007-10-13 05:40 PM
That is a very simple mathematics question. 0 J3 ]9 V0 x) p4 H" xtvb now,tvbnow,bttvbLet x = Male, y = Female, z = Child " b2 j' `2 O& PTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。6x + 3y + z/2 = 100 Formula 1 ) |5 ^# n$ k6 ^6 h2 P公仔箱論壇x + y + z = 100 Formula 2tvb now,tvbnow,bttvb) Q7 \) p* d+ W9 i
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3+ u+ j" J7 L5 C
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4/ S/ G" k! O1 a, T( F
Formula 4 can change into 11x + 5y = 100 Formula 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。0 @, o; `: R' `9 R: ~
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.5.39.217.761 g; D* s; O6 E! q1 V# K+ k
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. 3 ]) s5 C" a/ e. c+ qEventually, 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 ( P$ ~: f. L& d" j% @/ }公仔箱論壇0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
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。. H0 _0 p! [+ i
11X must be 0 or multiple of 5 & p, X, Y) e; B! x6 L `! y: r公仔箱論壇that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children / u3 W$ d% g) ]+ H2 g5 male $ e, n; U6 m3 \9 \6 \2 D; R9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM