| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
9 y/ e* A% {# T( R9 Y: @6 f0 K* a
0 j2 H9 r: ]( `0 S  B: i2 @7 z(x - a) = x - a
2 I. u! L8 i) L) j# H" z(x - a) (x - b) = x^2 – ax – bx + ab
* e" Y4 W/ M  C(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc: [3 B) A# B9 w& v" P) f
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
. U( s; E4 x8 W0 z, T9 h: V9 {( P如此種推，* _: V0 l$ V& n2 c: \/ Z
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
8 u( C4 i8 t- s2 D1 @) |- ?6 D; c) q0 z4 D2 x( I
[ 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1 T, m; _) P  o' Z

Originally posted by Triangel at 2007-4-18 01:26 PM:
+ n! j2 p3 p7 z(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
4 z5 t" G; u* l: L8 u- H* X, J1 U, x/ D* d- c' I

% U% w6 z# Z) B* _

/ u! G+ L$ {( `% I. C; g[ 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:( p( \$ V0 N2 R1 I
咁難既=.="2 D% @3 }# h4 c" ^! |

; O+ f8 \. t; O- L8 M[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

5 I- l5 N8 t% R$ p% @
! @9 y! ]1 R9 M2 ^& o1 KThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:$ F6 J9 _, {8 V% R  ^
第一個答中有獎* _  d, S/ _4 q
: g' a% q0 c- s0 p. W
(x - ...

2 O: v6 K# }5 H4 o
9 z5 [8 ^$ _. h(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:0 W% M8 }1 B5 L) J

9 Y$ B  P1 }0 i9 S5 [
  o  @8 ?# s# j3 ~(x-x)= 0 ，所以答案係0，is it?

1 i. x+ I5 V% m8 ^1 k% R
- \  C$ N  T  g. m9 B5 r7 I  B0 }! |/ k
唔似a.math題/ {2 f& N* s  q9 {( ~
似IQ題=.=5 d# a' R" c  u3 J7 C  g' O9 O
9 e) D3 }; k# ?
[ 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:
6 s# g5 [/ z/ F& z0 o3 B* }
, p2 q3 W8 c" D* ~* K# T/ D, r6 V( {& P1 i9 f$ U3 f1 b2 }
(x-x)= 0 ，所以答案係0，is it?

5 u' Q7 w) R* z
  Q6 X4 U! U( b( v* U
Bingo~

waikong

我係學校個學生會單張見過
5 m0 O7 s  A7 ]- F) q4 t, q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& L! X% X; k% Q

6 }# N- z# `* g. A1 V這條問題，貼落吹水版，名副其實
+ b/ J4 p) y7 f( a1 x
  L3 Y4 I( L- b) v3 ~) z8 H[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]