| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎/ ^3 A/ h7 W* l* X  c' m4 v

4 S0 r" X8 G  l' R! j! ^  |: p9 W. X, |(x - a) = x - a
+ X. l' l1 O5 m! w( b(x - a) (x - b) = x^2 – ax – bx + ab" [7 {, U0 Q; U2 r$ [& l
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc: M1 L4 g! U/ k; p2 p) [$ A
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd- b+ V1 x# C5 j. }& B
如此種推，4 P% c2 Y* `" Y. p* |$ Q: `0 |' q3 q4 G
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???8 l9 R% |* Y7 \8 z4 N, ]* m1 E
( h. r& g! `* |
[ 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
3 p! r' D# r9 M& H

Originally posted by Triangel at 2007-4-18 01:26 PM:
/ {! _1 \4 K/ B% A4 m(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc# w: \7 `1 w, q1 P

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6 C+ @9 r: c. y0 X5 @- W[ 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:
3 X" ]5 T' e& n! ?( g0 \咁難既=.=": Z+ ]' ?- b  D$ I1 N$ k
. w" ]! a5 O( ?8 x
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

0 Y. Z/ V; s8 V$ i7 J

  ^' z) U* K  @Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
1 j0 J0 `, t% k第一個答中有獎5 N8 P! H" T& H9 a. B

7 Q: k1 |0 C+ i2 |# P1 a. C8 x(x - ...

2 |9 n+ v/ @+ x! @( _0 m
  Q* H+ j5 [* G. k- K9 E; r
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:2 ~2 G& {+ v1 m; F
2 |' Y$ |- r  f

- n6 A4 R/ n. I: E/ s: {(x-x)= 0 ，所以答案係0，is it?

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2 @5 d3 Q& X. E% }! ~- G
3 T; B: i* ]4 `6 J! O& a- g唔似a.math題
9 c3 D8 c$ [+ U6 W似IQ題=.=* M8 ?5 z5 T4 c( Z( I: s
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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:
0 i3 m2 ^7 x- V0 o' X2 B% D$ ~$ y& d2 ~+ h3 s' a

5 Z5 l3 ?3 {8 o' W(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+ [+ o" ?( f: c5 i' w1 H. @) C  J" M
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 O+ K8 m- i/ j- e2 m8 J" ^
  e+ m* G& U& S0 F+ B
這條問題，貼落吹水版，名副其實
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" q2 U, |) ?2 ?. w+ l" w7 [, F[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]