| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
# M  ~2 r. x! `, S8 _, W. u! e+ {. [
(x - a) = x - a
" k. O$ J2 T8 q/ }, |' n# H(x - a) (x - b) = x^2 – ax – bx + ab1 e4 T1 S! J! M  M2 p4 E
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
) g  ^8 E$ ?- R9 E0 l# A. ~! w# Z(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
( A- f2 h* j* F" ~# c: N3 w* r* Y如此種推，0 D, V4 L# G( ~# k5 h
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???4 @" H9 b2 J& _' i. ]! m5 i
/ L: w2 z$ M1 }) h+ k! }. q
[ 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
5 D. Y- {# N( R, g  o% \0 V

Originally posted by Triangel at 2007-4-18 01:26 PM:3 M0 B/ R* j' Y* r; C/ f
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
( e/ D) X& y7 y0 [/ K' ?- A
' ^- M' k! k! X! ^6 [- l7 U

1 d' y8 W% L  v+ b; _$ g4 E# t( k8 R' R9 e  s
[ 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:
4 L  y5 O5 M, [1 n. x咁難既=.="! C! M. X2 b" ^* H9 S! J6 l6 p
, v* J8 N( t$ I) U2 a! o
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

. E" K- D( [8 w% x1 ?, k

) W  V  z( {! h5 dThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:' _! G/ P9 K+ w, ^+ T) w
第一個答中有獎
; ?" J: x6 H3 ?2 K1 `1 c& U( q% E+ b( [% K- S* y" B
(x - ...

+ A2 F8 e! N- a) n3 o& ?& T
8 P- p; K  U& x" [- u(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:+ v- G: t' g8 X  Y# _" u. ^" x
$ T3 P1 L" T7 P4 h6 G6 J3 X; `

7 L4 q6 {- N6 s2 ~0 E4 p(x-x)= 0 ，所以答案係0，is it?

- Z8 F$ t! ]% {, n

1 S( w* T0 n( |. S0 Z; J8 S
- C2 S- e1 P  A' }6 t8 `唔似a.math題) r1 o' D: `& F. L5 Y
似IQ題=.=* p" s* Z" W* C7 d. z6 O

' F' J* {/ Q$ H+ ^0 u, 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:
7 b, k; c; L/ K- u
" j4 o# h+ E) E( N$ c) k: t0 U7 M
4 t. t. d& [8 a9 K5 F, e4 |) U(x-x)= 0 ，所以答案係0，is it?

3 h0 W* J+ v& U2 M2 A- _% K. p
3 Z% g' H" y' w( X% I4 B& a0 }3 q
Bingo~

waikong

我係學校個學生會單張見過& h1 f" b( }* R4 ?, m4 w
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.........
! I& Y9 E, P7 ^2 G- ?. c' Q
) H, H/ \0 Y" `) G: z6 l. X這條問題，貼落吹水版，名副其實4 t5 I9 ?1 q/ B( _
, f8 ^' t/ t2 u7 O) C
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]