| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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  U4 o* c7 h  C$ q2 W& n& R7 h(x - a) = x - a
, Y* s- V. P* C; k( U( ^(x - a) (x - b) = x^2 – ax – bx + ab
% C4 P$ S  g/ \9 f& Z0 N(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ x+ d4 J, K8 D# R0 X) L1 X
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 u$ M' X4 g# F5 U; m" u4 W如此種推，
) }: w5 F* ?: H7 ^" A. |4 X(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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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:# ~+ k2 d2 G2 L0 t2 a' {0 P4 U7 p# k  |
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( m8 x. t, ^" h7 w

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4 e& Z( ~, A$ g4 i$ Y0 {3 q& f[ 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:/ T, _6 I  M: v5 {: m& F# a! p5 C
咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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3 f! W5 P. H+ _8 YThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
0 H5 ^: _0 G' w5 ?第一個答中有獎/ X+ a, ?. X+ k3 ^6 I/ Z

6 [% y& {0 R3 f5 h! s1 v(x - ...

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# N0 q# n4 g" T8 l$ B$ }' Z7 z(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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0 e/ o4 d; I' d5 d
唔似a.math題
$ ~3 }: Q' D2 K+ s! Z似IQ題=.=
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[ 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:
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(x-x)= 0 ，所以答案係0，is it?

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) Q$ C  r4 n$ d) C2 rBingo~

waikong

我係學校個學生會單張見過
7 e& J; o/ i5 o6 y* }# J1 |; S& 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.........1 V$ Q. n/ i8 b& A6 {
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這條問題，貼落吹水版，名副其實6 R" A; R  b( e; }
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]