| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎$ k) Q0 M2 [+ \; V

/ p! k& X( s( y- ]  T6 b( i(x - a) = x - a
" t, P" D% m. r/ Z" c! B9 W(x - a) (x - b) = x^2 – ax – bx + ab
9 r# `! E& r: `(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc6 u+ F& V( i" _; t0 Y: E8 s
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
6 J- _  {+ m0 V& z如此種推，1 w' s% v8 X5 E' V" ~  C+ v
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???, b/ K+ m& X5 k& \  T

- c7 w! ~/ N- d" {; O8 U1 ]; Z[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

大大

點解你個問題好似有d問題+ U* G+ i9 q1 p- |# _" C

Originally posted by Triangel at 2007-4-18 01:26 PM:
6 k" L* p4 ^( m% K: b(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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/ `$ B2 B9 z  b6 r9 g9 B) C[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

Triangel

Originally posted by 大大 at 2007-4-18 01:41 PM:. X1 @! f0 J/ I" F8 E, J, A
咁難既=.="
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- C# a- x" D5 O* ^; i/ R[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; G2 }. o2 q$ eThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:2 b6 k* p4 X. T1 d4 X
第一個答中有獎
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(x - ...

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) `" F% T1 Z" @2 [$ M(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:7 `) C8 `, M% N. |; v3 l  Z
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9 ^) _7 {* i0 H8 _# V(x-x)= 0 ，所以答案係0，is it?

9 B% F& I# O& R; z' G2 D% T4 {; a
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9 Q4 T! V) D& Y" e
唔似a.math題6 z) Z! w1 x$ W
似IQ題=.=
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4 T0 K3 r/ B8 U2 U% j7 L* s* A[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

Triangel

Originally posted by littlenic at 2007-4-18 01:54 PM:$ q# ]2 P' ~+ W- m
  z, S4 C1 Y1 e8 j3 ?
$ X7 P5 u- e0 w' a
(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過/ U. p4 h/ U# m8 j: B! W3 c+ G* {
諗左一陣先諗到

playbr2

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

karen0123

(哭)~~~~~其實我都知係0.........2 d# w5 @- p! `% |$ M1 c! F! J
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這條問題，貼落吹水版，名副其實
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" S7 h& t2 M0 C' l/ p( u[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]