| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎# U# y+ `8 k# A: J

4 k- E% F+ l! t) `2 S6 s(x - a) = x - a
9 ]# E& s) R8 _' q(x - a) (x - b) = x^2 – ax – bx + ab4 G1 x4 L& p# C
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
2 z% E( [7 o: T& J& D(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
' ?6 m, C) D* P$ t' s2 `如此種推，
: T- D. g! A4 F% |(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???$ T( ~- p/ R5 ~" O. a. C
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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+ W7 U$ u) H! f4 d3 g- v# i% ^

Originally posted by Triangel at 2007-4-18 01:26 PM:
8 i6 r8 \* P, V(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc1 M  j' z" ~. U! Z0 E9 e' A) O( ]
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; L) j  T( ~  g& u+ u1 c[ 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:
2 F+ n# c  l3 F; ~咁難既=.="
4 R% s+ ?4 p+ X1 ?7 z! F$ i
. q& i6 j8 I8 E3 A/ w5 r1 N[ 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:7 l/ y" t, g, \6 W( Y' v3 j$ r& K
第一個答中有獎# |7 m1 w' F4 v/ R

% n, [3 o5 X+ G5 }7 C' m# ]0 b(x - ...

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$ A& M- X) o* P* i9 h6 p: r  T(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
+ e0 }: [+ [$ ~7 O% w; L- a" ^9 D& f) p6 g( r

' z* @7 }! Z6 |(x-x)= 0 ，所以答案係0，is it?

# R, m& q6 ^* Q4 o: I6 f/ [1 ^
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9 H- k, v1 Y* P- e$ ]3 k6 S; W唔似a.math題
1 i; \( Y, {- y- H1 a$ B% ^似IQ題=.=% }4 ]7 o$ e2 j

- o( b! U  e& A- Q5 [, Y: G$ c[ 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:
6 Y: W* \) ^& D- L! O  r# r' E5 g0 c; d2 ^( E7 F

. Y, c. Q  L; q9 t: r(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
( i  I* r: C* l+ l* U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 Z* L% L0 S+ R( v$ q9 K

6 B- N5 n) R& P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 ]