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Triangel

第一個答中有獎) J& o! T% F; ]0 ^$ k

5 q) q! `4 [0 _' e+ }(x - a) = x - a7 ?% Q/ I6 G9 d
(x - a) (x - b) = x^2 – ax – bx + ab0 ~: z6 K2 N0 g9 t+ v( ]
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
2 C% o+ n8 n: v/ O" U* e" K( F(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
5 m8 U: `& i6 P& @- Z$ p% M: C如此種推，
" b4 N8 `/ g0 p1 y0 q6 P0 {$ y* t, i(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???! Y, f- L4 t: z( t. X1 J8 i

2 t+ E: o8 ?1 D3 S% O5 L[ 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
( `5 B& b& Q& U* B

Originally posted by Triangel at 2007-4-18 01:26 PM:
: e# i) r) x3 ]# G. h0 h(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ 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:
3 a9 o$ A# W# c# _0 w1 I咁難既=.="4 A/ h! ~+ K* o/ Q

; h! T+ o4 x, ^+ W$ N[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* u- @1 q2 j. H9 DThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:" X: Y6 o) y$ [- t) [
第一個答中有獎* J3 g3 p: M: i2 \
: I$ W: F/ E; e& |% H! i3 G6 N$ z
(x - ...

( L$ f: A# s" U$ I! O8 N" ]) {+ b. M

$ z3 r2 U8 g" Y/ A. U: S(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
$ n' w) \, J6 |, `/ z5 I. l) _9 m0 Z) y5 q0 F4 X) H: H: z

& t+ ^; W( {7 c(x-x)= 0 ，所以答案係0，is it?

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0 u7 \9 M1 t) R0 v$ |% F' m6 Y0 ^唔似a.math題
* E6 c. |4 K# s! B# E似IQ題=.=
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[ 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:
# U' k6 {3 j6 f3 J* ^% Z" w/ I, }9 x) u' ^, k; y5 M

- S& ^: t1 F1 p' `$ s$ v: {(x-x)= 0 ，所以答案係0，is it?

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$ y8 E* ~# b! ^# }- L+ b0 wBingo~

waikong

我係學校個學生會單張見過
" u: O6 h3 `9 R1 R, q4 ^; F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.........1 v+ [9 `7 J8 j/ n) t; s  v
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這條問題，貼落吹水版，名副其實
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+ f! E( G3 S6 D2 m% N3 i[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]