| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a( v, `; O% ]  C3 X2 `# d: n
(x - a) (x - b) = x^2 – ax – bx + ab
/ ^) q0 F+ M! s: Q" W2 y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
: x- R% Y: v1 {8 {9 P8 `9 N(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???2 C& e( y# H- a4 b% K1 H% ]% i8 J

" L2 S" Q0 v1 z[ 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* A: ~- }, d/ z

Originally posted by Triangel at 2007-4-18 01:26 PM:
8 V3 |, t! @! L7 e/ k(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc- n7 [* A# j( N* p8 l
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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:
  K' r( N) y  A( D6 k; T咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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4 u( U8 Z- ~& kThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
; r3 G5 ^: e: _# Y" k; q第一個答中有獎; @- h; {  a1 L9 I5 V: l

# G) z  K+ x0 b' P* l* I(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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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
! g6 C- ]3 d$ V似IQ題=.=  z+ l7 K/ [* ^  b! S1 Z$ t; C) j1 n0 s

8 z/ @/ n8 l( _/ j% N+ 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:* p" A0 Z& W3 D7 P! {' O6 c

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(x-x)= 0 ，所以答案係0，is it?

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0 a8 j# I6 M# r" q0 @8 nBingo~

waikong

我係學校個學生會單張見過
0 D3 A' E7 f0 A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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. v- G# w, _1 l% P: r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 ]