| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎" Z/ U9 b) a2 j2 A% @+ P% e

) s5 x% w: p7 J1 `(x - a) = x - a
  ?( S. I* n7 I& O% {(x - a) (x - b) = x^2 – ax – bx + ab& h6 m1 S" j) S$ [
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
: r' V) N: @) ]5 T5 v; q0 H(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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; J% ^- \. ~7 S4 Y% `5 Z(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???  M, T  u- p/ ^* l; ?
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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
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Originally posted by Triangel at 2007-4-18 01:26 PM:& t; L; B/ x  x+ b5 e7 x' f
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:: _7 h3 d4 r8 m' {( M
咁難既=.="
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, O% F, H" Q( d" N' T[ 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:
1 z! F( O  f& S2 {1 `: S% j第一個答中有獎
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  O1 l9 k( j) R6 M: `4 G, }(x - ...

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4 d+ D( a# V  m8 O; ^1 @! L4 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:9 q6 e) J6 I/ L
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(x-x)= 0 ，所以答案係0，is it?

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3 X$ ]3 T" O4 t3 j# A& R唔似a.math題
5 F4 ]9 w% }9 F7 ~6 ~( @似IQ題=.=
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2 b5 G8 B$ J1 `9 U# y3 O[ 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:  Q9 X( Q4 t/ I- C: V

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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
# q' e7 ?4 q. G% V7 p7 l& I. 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.........9 ]* u+ p7 S9 R$ ^* U5 U

& ?! ~, a8 @* X% _這條問題，貼落吹水版，名副其實: q8 z5 j' E) m% f0 z' M, j! q9 `
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]