| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
: |1 u' O5 w: |! j/ H(x - a) (x - b) = x^2 – ax – bx + ab
% A/ y/ [- [* k) M" }(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
8 p7 F0 A6 ]! |4 g(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) = ???8 R* K  G3 f  a
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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7 r' z6 B, A+ I5 x7 M: H5 z8 a0 S

Originally posted by Triangel at 2007-4-18 01:26 PM:0 w! o5 X/ |1 v
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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" {3 A, U$ N3 E+ k9 y4 P[ 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:
' b6 {2 U" N# a  v咁難既=.="
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3 J( X# t9 A6 _; e' p& d[ 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:
$ S, L# t. |7 q0 |# Y第一個答中有獎
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(x - ...

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$ S1 u3 [9 U) k6 S) j; b(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:( {, Z0 b5 J  ^) t" n, L

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. I, ^5 z/ w9 [  a7 M5 M(x-x)= 0 ，所以答案係0，is it?

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2 b' g: d1 t8 ?% [. v3 [- g唔似a.math題; M# M( ]; x3 p, W* l: ?; g) M9 E% P
似IQ題=.=) I% O4 |; ]$ W( P+ |9 k' `

# C* M  r5 B7 o2 X; i* I1 ?3 c: s[ 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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! k, d* G3 D7 D( f1 C7 D* I(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9 T' `( {0 E, r
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.........! |/ O* y/ h% G2 m* X
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這條問題，貼落吹水版，名副其實# K; e: ?9 d. W- S
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]