100人搬100塊磚公仔箱論壇3 y) ~& r% e1 ]8 g4 x G6 L
規則公仔箱論壇. Z- V# H: r5 ~; ~: p! n# }' l
只何用100人搬100塊磚,不能多也不能小...tvb now,tvbnow,bttvb3 N& X W4 c% @, H3 l- t( i; |# Y, n9 h
100人當中有男人、女人同細路仔公仔箱論壇1 X8 x" I0 e+ U
1個男人搬6塊磚 / {( @9 o' P4 @1 ctvb now,tvbnow,bttvb1女人搬3塊磚# e7 F1 F$ R2 Z; [. T! q, H( G% o
2個細路仔搬1塊磚 + q- Z3 `2 c- otvb now,tvbnow,bttvb**************************************************************tvb now,tvbnow,bttvb) t# h6 o9 b! V* Z
問搬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。2 D" f2 M2 \# Y% c/ Z# Z* B
要幾多男人、女人同細路仔. X2 k$ K6 ^. I
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。9 @3 P! Q- z# R$ u7 ]1 K
答案30號公佈 ; A( `: ]0 [! i6 h* E0 I& V/ Q$ t# D/ @9 P1 l
[ 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. . Y6 P. P* r! }% ~, }5.39.217.76Let x = Male, y = Female, z = Child 3 i. M0 f! ?. K' [公仔箱論壇6x + 3y + z/2 = 100 Formula 1 , ?% U" i2 q3 O$ U7 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。x + y + z = 100 Formula 2 & q7 f' C' Q& }) D6 z9 USimplify Formula 2 into z, we get z = 100 - x - y Formula 3+ w: U! i$ ]3 ^" r1 G, I B
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4 O0 [3 v+ b6 o5.39.217.76Formula 4 can change into 11x + 5y = 100 Formula 5 9 x9 X+ F" j' r' J" rTVBNOW 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. % a9 Q8 w+ C" p( _ }tvb now,tvbnow,bttvbAnd 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. 7 C H1 i% s& Y$ n3 ]. Z2 J5 H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
man,female,children公仔箱論壇( D' F* l: o9 T7 ~' |( p; @
0,20,80 or 5,9,86作者: RyanC 時間: 2007-10-14 10:46 PM
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11X must be 0 or multiple of 5tvb now,tvbnow,bttvb, X0 Y4 ]& ~4 e) ~; r& k
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM
86 children+ T' ]% e$ |' M5 A' y; H: X
5 male tvb now,tvbnow,bttvb+ y. j9 u. |- e C3 ~4 m! q
9 female作者: dafunhei123 時間: 2007-10-15 10:39 PM
