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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( R: R. ^; D R1 ~0 R( \$ L/ N& w6 R; N

(x - a) = x - a# _3 W, t$ i7 j( t
(x - a) (x - b) = x^2 – ax – bx + ab+ z9 T) V( C0 e
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc( e4 r2 V1 O% f* m; [
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd4 k6 F$ G0 p& j6 p* v, H
如此種推，
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???

[ 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

Originally posted by Triangel at 2007-4-18 01:26 PM:8 e; V9 U. |1 @( G; m: \" F# S* E, {3 S# j
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc- n! J# q0 t& f( e
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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:) M$ Y- U; Z8 t4 h( I4 o. P! T9 [8 [
咁難既=.="
+ k' A8 i# E( D% E; J" ]$ Q8 a
* l! m( A4 l' g$ w[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

& I) a4 O/ s, r* M8 t0 S

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:
4 P+ E& w# ?) a2 l5 i1 ^. s9 A第一個答中有獎% n6 A# m2 ?& k0 L$ Q

(x - ...

: U9 A: [) S) p8 ?& r7 T0 ]

(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:
$ z, R) e# ]- N0 D8 b8 X4 x7 c) n( n! b6 L
4 I* }& n4 t) o6 o0 }2 |
(x-x)= 0 ，所以答案係0，is it?

, M8 P5 |5 G( d" l

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唔似a.math題# Q& q/ ~- F2 B6 O
似IQ題=.=7 K2 s B7 G/ p2 w, Z

[ 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:
" I& d# @$ ~; i$ s: c
& {# ]+ e+ N# `9 t, o' y0 h% R3 f2 E3 V7 h" h
(x-x)= 0 ，所以答案係0，is it?

W0 k. s* G, A

Bingo~

作者: waikong 時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過

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.........

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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