| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
% s' V8 f8 |+ p9 ~9 W% f/ z  p* {& S0 W) J
(x - a) = x - a
  I0 ^$ O! y  m% {: Z) Y& S(x - a) (x - b) = x^2 – ax – bx + ab
3 u" A: ^) W3 ]- E9 I2 J; f& J# E(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
5 L7 v: @' _2 t- [2 U(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
( u2 J7 E% @+ J- q1 }; O如此種推，
4 Z+ _1 f- i, F/ a% v! B(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
/ j; m# B( P% m/ x  a$ F4 J
7 w; G' k7 o0 L* g% q1 b( t* c[ 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
& ?! @! g- X8 n: M8 |

Originally posted by Triangel at 2007-4-18 01:26 PM:
  w% k& I/ q" I$ P(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
0 z  i1 V2 Z% L0 W: j7 ~5 P/ h: J. [6 f& G9 S

5 D. B) h8 C# E) k
6 w- C/ h2 m* R+ x[ 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:8 _4 p/ f  X0 K8 ?9 V
咁難既=.="
8 f5 G0 b) O3 o/ l7 W" X" J. |4 q- p- a+ }
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

- |% P* f( e3 G3 g8 s& [: r- D& x

. V8 y& f3 [9 j: `$ [. P* W7 T: {& \Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:* R+ w  a' h/ H& F8 ]$ E
第一個答中有獎
5 D' a/ c1 t$ h" Y. w$ ^: I. k8 E5 I" z5 v
(x - ...

" i4 C) K, @  N& y  [( X
3 C& _; R( o& V(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:' D, d+ e# e! ~- @6 ~' I! L
- N- n( b' e* d& S$ a2 Y, p( N
2 P+ N4 b( }* [4 a$ V" ~
(x-x)= 0 ，所以答案係0，is it?

, D8 q. e2 J$ f# A% t- d7 H
# `- v  {* R  A; R6 z& D/ G2 A% o
; ~; Z0 z: c( Z4 R2 M
唔似a.math題& n# f# n# @) H3 b
似IQ題=.=
8 I0 V+ p7 I( _! a
1 z# V( a, e0 T* t3 _/ f[ 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:2 y' Q7 `/ v5 F$ y" w+ g) Q4 F
0 n$ a1 Q2 S* [( ^' S! k

+ J- X2 f0 f* ]; O/ D% \+ U(x-x)= 0 ，所以答案係0，is it?

# d/ V1 B( j# P: T0 s; W( n
) B/ E5 s3 t* n  f. hBingo~

waikong

我係學校個學生會單張見過- W) f$ w" y; n9 K( k
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.........  N) N1 W8 {! h# D# r3 T  U( _1 V% ]. k
9 U: k: L7 U3 A# |: Q6 Z4 V; \
這條問題，貼落吹水版，名副其實- G7 v* j# a2 Q6 V; L+ P6 V7 _# X
& z" N( R- k1 s+ j2 I) R# H: C% C
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]