[IQ題] [數學題]100人搬100塊磚

，描述：問要幾多男人、女人同細路仔

100人搬100塊磚( J7 F! c7 F8 ~7 n) b1 V$ ]
規則os.tvboxnow.com# o; u: H* A& e, U9 X& p) N% x1 h
只何用100人搬100塊磚,不能多也不能小...
100人當中有男人、女人同細路仔
1個男人搬6塊磚tvb now,tvbnow,bttvb" R( N1 [/ p) b# c
1女人搬3塊磚os.tvboxnow.com/ K- c2 \/ R. O
2個細路仔搬1塊磚os.tvboxnow.com! C* d' T& f& [' i7 e, _
**************************************************************& `0 v4 U" n1 h6 v" J
問搬100塊磚os.tvboxnow.com% Y* y* e3 \* _4 X$ S7 {' U/ u
要幾多男人、女人同細路仔
0 i, b0 {/ d- V8 }- F0 N( z
答案30號公佈

[ 本帖最後由 1/5 於 2007-10-13 05:10 PM 編輯 ]

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twinsdragon

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發表於 2007-10-13 05:40 PM | 只看該作者

That is a very simple mathematics question.
Let x = Male, y = Female, z = ChildTVBNOW 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。+ i3 E) _, { z' C
6x + 3y + z/2 = 100 Formula 1公仔箱論壇' A+ w! d7 ^8 y! D+ g
x + y + z = 100 Formula 2tvb now,tvbnow,bttvb. G q; O, t# T' l8 Z2 Z
Simplify Formula 2 into z, we get z = 100 - x - y Formula 3
Sub Formula 3 into Formula 1, we get 6x + 3y + ( 100 - x - y )/2 = 100 Formula 4
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。: ^) H2 F1 \/ B4 j
In Formula 5, x can only be 0 - 9, otherwise y will be negative number which we dont want.tvb now,tvbnow,bttvb, {0 b3 ~/ s$ D) y+ W
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. s: k# ?( E$ u$ Y
Eventually, the answer is 20 female and 80 children and no male.

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alan1234