100人搬100塊磚 " E' V) I1 ?# {5 R5 [5.39.217.76規則tvb now,tvbnow,bttvb2 g' g M1 ~3 q
只何用100人搬100塊磚,不能多也不能小...tvb now,tvbnow,bttvb4 q5 e0 T0 u2 F0 N, a
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。6 @( L1 N" ^7 k/ g1 I& Z% F
1個男人搬6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。7 n. t' _4 L8 l, Z# h$ C6 M
1女人搬3塊磚 ; i) P& n L) v* o2個細路仔搬1塊磚& K- s _, x+ S. ` V$ A) @/ y
************************************************************** $ I# E+ [- u, ]) n" r& Q* b, j問搬100塊磚 # Y; j% M; N7 L7 b7 R2 @5.39.217.76要幾多男人、女人同細路仔 8 @% s& n% H1 Q/ x* \3 FTVBNOW 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 g+ X5 X( Y( x4 m. ~. Z5.39.217.76答案30號公佈tvb now,tvbnow,bttvb/ J; y8 c9 [9 f/ p2 @7 w
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[ 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 R; Z) f6 W) }7 X c/ L* [5.39.217.76Let x = Male, y = Female, z = Child 8 s' t! F$ l. B* m, }* V5.39.217.766x + 3y + z/2 = 100 Formula 1 . F" S2 `5 f# u; q; qTVBNOW 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' N* T6 W+ M2 n% ?5 o2 }' q
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3 ' ?$ j) G/ {$ E- v' Ftvb now,tvbnow,bttvbSub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4: K; D% @6 N% s0 M6 q; Y
Formula 4 can change into 11x + 5y = 100 Formula 5公仔箱論壇; i) D8 c2 ~4 p. s
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want. # M+ v2 j; P) b5 j' r; Z. D( yTVBNOW 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。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. # x% X$ O4 p! W' g0 ]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
原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 5 F S6 u' c) v, K, I4 M5 w5.39.217.7611x + 5y = 100 Formula 5
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。$ O% k" I$ r0 i' D$ g% {5 t
11X must be 0 or multiple of 55.39.217.76: w- p) A9 h- \- c3 c. Q
that meanz x must be 0 or 5作者: manstein 時間: 2007-10-15 08:28 PM