| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎0 U$ m2 }" f. ]+ A6 O0 T3 B& I

) r1 t. ~( ]0 p( y* H; h(x - a) = x - a* j/ J8 ?, ]# O" T; v6 x) @
(x - a) (x - b) = x^2 – ax – bx + ab0 H- k& X, z" H2 R* }, m2 @
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc0 |) }) P9 P) p" u3 a  J
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% Z6 N* ^' e+ k如此種推，% W# W6 i) \7 f! A( K
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???% F8 u$ S. m6 d9 Q. {2 S
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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:
. u3 W4 i( G# x* x- z  U6 T(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:' R; @/ c. q: B5 t& ]2 l# {
咁難既=.="/ m# k; Z5 q3 }) \

7 o/ B2 y/ F+ j* I  v[ 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:
% M/ o3 o. u9 J8 S9 K5 ^& U第一個答中有獎6 q2 d" X2 m, M4 I

; X# o+ }6 K' k7 G(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:. Z6 P+ O  e; U) w6 M

4 @& X0 p! @+ v) h6 Q1 T9 e/ v4 i7 f8 U; P! k$ L$ K1 V& @
(x-x)= 0 ，所以答案係0，is it?

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& w& E: [/ E8 s& f* {# V$ @唔似a.math題
- {" I/ P' J! }2 Z; u% L) i& X似IQ題=.=7 ], I- U9 u9 h: a% ]7 [
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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:) Y( D8 p- v( [( g; T) z1 [- J- b

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2 t3 m/ e8 P3 Z. Y$ l* l3 {(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. _% H8 w0 \  `' m5 L
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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* J8 B" w0 |+ E' X/ [- t! _這條問題，貼落吹水版，名副其實. ?% \& {5 c; X  a  D
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]