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Triangel

第一個答中有獎4 M. T; G4 {4 P4 ?" B9 z

6 Y3 d' ~( s% o. f" N(x - a) = x - a: V+ T2 ]! q1 L& j! n
(x - a) (x - b) = x^2 – ax – bx + ab
' t/ q, e. C& ~0 u6 K(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
% u6 S: P0 Q' e7 \% M(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
' n6 ?: g1 R$ n$ s如此種推，/ }( d& r6 l6 g' ?$ r/ {
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???  s# i) Y  j+ R
" y+ x$ _7 c  U+ 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
# H4 i  d. ?5 i: N4 a

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 \2 ?: F3 ?% ~  a- {) ~- o9 a(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc. d* {# W) O: J- D

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  i; w2 f  i8 f9 x( F/ k[ 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:
1 p* q, }: A& H" n3 W' W/ g& }! h咁難既=.="
+ z  l$ I3 |1 m# d- A
8 ]& F" {8 a* x8 a[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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1 O2 i+ [7 z$ f5 [: mThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:3 Z3 h5 h2 F' H% k) A
第一個答中有獎
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(x - ...

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7 m' x2 E9 o4 A: O(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
; m& L7 R. d, X. A' o
* J8 U/ t6 W; G' A4 ]+ h. e5 {2 P
(x-x)= 0 ，所以答案係0，is it?

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' L9 V! _" [2 J  d3 u& E% n6 s$ o( _
唔似a.math題' P8 n: B$ y0 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:
" w% |7 j, f3 g  o4 G& m
. s4 d. m, A8 A: }2 z8 T$ D* F* h7 r! R
(x-x)= 0 ，所以答案係0，is it?

2 U* ~( M' a4 N6 u. ]; `

+ ^: I- n, X9 v; `8 H, L& LBingo~

waikong

我係學校個學生會單張見過' ]1 f* c' \0 B( P. X3 y
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.........
0 D  e- `" E( D( G6 ?+ y1 u' n- c3 p' g2 t! c
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 ]