| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎  y. n) s* w$ X1 x0 g

( s% o1 t* a# B  x/ W6 z(x - a) = x - a
; [1 D: p1 _4 z8 B6 |" i8 T9 }: g(x - a) (x - b) = x^2 – ax – bx + ab* z: ^: M! Z9 h& H+ \
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc" ?; J" _- A" R& P8 {2 m8 M
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 e( b# U) M5 B& c如此種推，
" b- U3 q" a: y9 }, n(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???3 T9 @9 [; b5 `1 Q3 F$ v5 M
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[ 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6 X7 v1 V  W- e

Originally posted by Triangel at 2007-4-18 01:26 PM:' U8 O* W# N. L* r' f$ |( n7 ?
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc) I& B: _6 E' v" H

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/ P9 {0 s7 y8 d: G/ G6 G[ 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:
5 t$ ^9 u* F9 W# R" [咁難既=.="$ m4 u6 e; p( m! s0 u! {

0 w$ }/ z5 ]" P$ K% r8 A6 d[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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0 B. v* E4 g$ B5 `3 [+ KThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
: y9 O% P8 n/ Z+ ]4 z/ O  S& z第一個答中有獎
4 {+ c  K  M7 P4 r, U& a
0 P+ K$ ^* @6 n8 w(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:
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2 y; @9 K0 d' e0 U+ G: t6 K( L0 x3 y' K
(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題. Q5 I- z( {; k! \5 U( l
似IQ題=.=6 P) n$ r, y; t7 v0 l$ l% A

% V; ?: I0 q8 }- \0 ~$ g+ |[ 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:7 P7 r6 S3 E2 m) |) y

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7 \7 L/ X! @( z9 O- \$ d(x-x)= 0 ，所以答案係0，is it?

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$ e2 \. L& F3 j) i1 mBingo~

waikong

我係學校個學生會單張見過
. L- y% Z8 j1 A/ H0 E1 U$ z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 p" e- j0 @% L/ R2 R
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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 ]