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Triangel

第一個答中有獎# C# _* g$ Q6 J6 c: }3 G

# ]* E: g  V4 `1 m6 _(x - a) = x - a
# ?& B7 d1 X5 Q7 W(x - a) (x - b) = x^2 – ax – bx + ab
2 O9 y7 p# d0 m* y8 V1 U(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc# H5 U/ `- r+ k7 |7 H& M1 x2 D
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
/ N9 d) |2 U% m( D1 c如此種推，- [9 I9 ^7 r1 S! x/ K4 ^8 M
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; V( k* d, {5 u

$ Q% b5 w$ O$ e' w' {2 x) Q[ 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# O# S! S' A( [3 f

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 e; i- G4 u+ o5 W- J(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc$ i( m5 Q. }3 b' D

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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:
4 m6 f: G/ M' D0 z: ]咁難既=.="  Z3 j0 h* ]* A1 o  [

- Z" G9 I- ?3 [# {% y& y[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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" y+ {+ e. j$ D: iThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:( `  y6 ^7 y+ O" i4 n" v$ X
第一個答中有獎
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(x - ...

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0 {2 j5 R6 a9 x(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:9 l2 X# [$ H; g
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, r' t0 a/ |- W8 z(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題1 Z3 z0 ~$ y" L; e7 e) w
似IQ題=.=5 _" U! {# u2 ]6 R9 X8 |( U

) L+ n$ t* J6 H" W) K[ 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:
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(x-x)= 0 ，所以答案係0，is it?

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4 _, ]+ G) ?5 V% G% UBingo~

waikong

我係學校個學生會單張見過( X3 x" x' ^8 l# x. G8 \
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.........
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這條問題，貼落吹水版，名副其實
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" ?- {# w6 O5 t' b. c5 R[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]