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標題: | TriTri | A-Math 加分題 | [打印本頁]

作者: Triangel 時間: 2007-4-18 01:26 PM 標題: | TriTri | A-Math 加分題 |

第一個答中有獎

(x - a) = x - a
(x - a) (x - b) = x^2 – ax – bx + ab
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc; x5 h3 N: Q/ D+ H8 n
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd0 _' T% ?" p/ [
如此種推，8 N, P9 r U: b$ O5 G6 n
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???2 o: _. P6 v9 ~& x* m9 r
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[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

作者: 大大 時間: 2007-4-18 01:41 PM

點解你個問題好似有d問題# K6 o1 i6 N) ?; G) V

Originally posted by Triangel at 2007-4-18 01:26 PM:
3 f5 Y$ j, t( g8 u3 y$ L) t(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc |9 V1 |& k) u/ p7 Z% `/ ]
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[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

作者: Triangel 時間: 2007-4-18 01:54 PM

Originally posted by 大大 at 2007-4-18 01:41 PM:! q9 V( T( W# J' k& n" u( S& |
咁難既=.="% s2 y( U9 V: y2 K$ n$ N
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

作者: littlenic 時間: 2007-4-18 01:54 PM

Originally posted by Triangel at 2007-4-18 01:26 PM:
3 B) [% w1 U% C" I1 H第一個答中有獎; |2 d4 I. M" [& _$ G
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(x - ...

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(x-x)= 0 ，所以答案係0，is it?

作者: 大大 時間: 2007-4-18 01:56 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:6 M- g) S! x. H+ }/ e
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3 T* w# C* Y# s- _(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題5 P0 }0 P& q/ P6 o) r* e
似IQ題=.=

[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

作者: Triangel 時間: 2007-4-18 01:57 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:. n7 k: J8 f* m0 V" d' l; I9 V5 g2 v

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(x-x)= 0 ，所以答案係0，is it?

Bingo~

作者: waikong 時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過

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諗左一陣先諗到

作者: playbr2 時間: 2007-4-18 04:00 PM

我吾識答啊http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif~~~ http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif

作者: karen0123 時間: 2007-4-18 05:50 PM

(哭)~~~~~其實我都知係0.........7 @+ r {& X; b, |. Q$ d
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這條問題，貼落吹水版，名副其實

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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]

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