| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎% l7 H/ c1 x* v; @
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(x - a) = x - a5 t1 O) E3 |8 E: @
(x - a) (x - b) = x^2 – ax – bx + ab" v" G# _8 P7 t, C7 P6 {
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
( I4 k; Z6 F  Q6 x* W+ h2 @3 Q) h(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, W1 s# w0 X- z8 f+ Q/ Q; R1 O如此種推，/ K4 L- u( R5 d* T3 m8 t* \( J5 C
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???/ C9 L$ L1 t7 _2 ^- b

- k9 _& D; c7 s) h! o[ 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- o8 v8 H# r) F2 C! F& z7 }3 H. @

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 Z7 v' F6 F0 v% r1 N4 @+ i- U(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc0 ^. p) t- [& D# K( m: X) `
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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:) R) A/ I/ d: t. E: m# n7 Q' a/ a+ f
咁難既=.="5 {9 \+ u" d2 E  c
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:9 g6 M/ G; S6 o0 @5 g2 ?: H4 X2 A3 M
第一個答中有獎! c3 h  w3 U8 b2 X# }5 f! \- @; g

, q0 D1 l) g) i% P) \(x - ...

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(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 X- l, P- h# L+ y, w( j; l

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, ~3 a& d8 L: ~( K' ?; `* ~. t(x-x)= 0 ，所以答案係0，is it?

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: a* m2 ^! `+ k: H' ]7 k3 {唔似a.math題
0 k7 A- m: c2 `: R0 Q似IQ題=.=- s' m: g  q1 Y' _

, A+ j" S; l6 t. i4 H) P. X[ 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:! B. g! X, N. q1 z; a4 `! {- J
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(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
' T. l2 ?) b; v0 ^1 t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.........6 h5 o; j% N6 b  a/ {

+ k2 ]3 ^) Z+ p2 l- l/ W# t9 F這條問題，貼落吹水版，名副其實7 t1 k9 B8 I7 f0 Y  u& q2 _4 T0 `
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]