100人搬100塊磚5.39.217.775 }% r# u) |: ~, P
規則; w6 t9 q/ D1 J! \ s a* G
只何用100人搬100塊磚,不能多也不能小...tvb now,tvbnow,bttvb# E y: H$ `- z8 |! J3 x" K8 T
100人當中有男人、女人同細路仔5.39.217.778 G2 Z% m) L; U% f. b+ ?& f
1個男人搬6塊磚 / J0 A" @; E7 c+ `. q" T7 w1女人搬3塊磚' H- K: V* p9 ? H5 j
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。2 X5 x+ V; v+ B8 b i( r( l9 D
************************************************************** : s) W; K5 f# cTVBNOW 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。問搬100塊磚 # D) v' H7 J P" 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。要幾多男人、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。) \' R. v* G% }, ?8 t( o
公仔箱論壇, w6 h/ A! ]" }/ t/ p
答案30號公佈 5 O, S, [' U' k5 i1 [6 D. ?tvb now,tvbnow,bttvb, w% |+ ^& ?) l: J
[ 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. 6 ~+ t) e" ~! J4 L- K& e! uLet x = Male, y = Female, z = Child # }: A7 ^4 z1 D, 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。6x + 3y + z/2 = 100 Formula 1! ?; g8 M" |, o
x + y + z = 100 Formula 2 6 c6 [: \' w4 v公仔箱論壇Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 6 F+ S. u" } @+ l5 W7 h& ?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。Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 1 B6 ]" Q) s* ^, b% ~% }3 M5.39.217.77Formula 4 can change into 11x + 5y = 100 Formula 5 8 y/ L$ A: A A( S X5.39.217.77In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.公仔箱論壇/ K: K- o* q+ U% }2 I1 N3 r
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.公仔箱論壇5 Q& e* {# Q; z
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,children7 e* |. \/ M! d
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 & O& n9 G1 M0 l' H公仔箱論壇11x + 5y = 100 Formula 5
/ i2 K' U- i* l+ t9 m; Htvb now,tvbnow,bttvb11X 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。2 ?: e$ a) Z7 y/ I, w; q/ ^7 T
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children2 ~3 k' p: H4 O' p6 \4 z
5 male $ r/ U# l; B" L1 ~3 ]% N6 v; ]tvb now,tvbnow,bttvb9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM