| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎5 k: C. \9 h* H; z

3 p6 u1 P; p! P# H* Z1 L(x - a) = x - a1 C. }: A0 v2 J6 C% B5 ?' ]$ a8 w
(x - a) (x - b) = x^2 – ax – bx + ab+ p7 F( D& v; }4 n2 t
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc- `5 J0 K- I; T2 g9 Y8 e
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
/ ^2 G0 n8 t1 {: x5 n如此種推，2 A% y, _% p, P8 |
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
& e) Y+ b+ a) E9 \, S1 E
! A: C& {$ ?. r; \/ s[ 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" ~8 t  i% O7 `, J4 u

Originally posted by Triangel at 2007-4-18 01:26 PM:+ X, s. G# e& |1 s9 g+ I  y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
2 b' @5 j. s6 K5 B/ ]- K$ Q
) a7 I, ?9 i2 w3 D/ j% F

$ r. }1 H/ J$ J' I2 ?" u8 T+ e' q: `7 n* }+ z
[ 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:" W3 O# t7 b5 T* v& q9 G
咁難既=.="
9 a; M# c% O+ X4 K" y8 N" {. {# p
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

, f( i3 L' d9 I0 |+ z' v! i% b  m# C; r7 d
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:! k( W) l0 l4 L' N% T. u5 o6 l
第一個答中有獎
; h; m+ z& ]6 t+ ~1 C0 |. h) M
) a0 B0 J* O: J(x - ...

! R) D6 K8 k0 v2 M+ F- X
5 P" p6 ]1 g- K7 q# r  j(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% h$ }& g$ ~8 V. t4 j+ z* k( U4 v/ }3 [% v# n7 v5 @$ e

; O- [5 r# k0 \, n2 I(x-x)= 0 ，所以答案係0，is it?

( _3 U3 f% Y$ x

- n  K' v& \+ x4 c9 }- N( J. {% \* Q7 F; c5 _' q! [4 v
唔似a.math題
' Z* }( A$ |! R1 O! e似IQ題=.=% N" X% m3 j3 w* n4 `# O2 C
) [' F+ r% @8 N) l- z) J  U3 X3 }
[ 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:
% l* p  q3 |5 G- N0 E+ _% }4 I! o( O; Y

7 Q: \# L* e( W(x-x)= 0 ，所以答案係0，is it?

' [9 Z  ?, J+ b, y0 k) v0 |
2 s  e- b  A  o; |" e6 G: z) ZBingo~

waikong

我係學校個學生會單張見過
# j& H( B" m+ |  E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.........
0 j$ \' a  T5 t- @% `/ Y: {6 {( t0 @- B7 r- G
這條問題，貼落吹水版，名副其實
' v6 r7 B6 n" }  N3 M+ B1 Y$ @& A& {. p1 [. Z" E
[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]