| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
  K9 G1 X2 @4 C$ X
; L& ~9 L2 ]2 L  Y' L(x - a) = x - a! o/ e" s. k- n* |- Y0 }
(x - a) (x - b) = x^2 – ax – bx + ab
3 [* e( b! C1 v2 _4 w1 I" l2 w(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
: Z' O: G5 r$ q/ j% v9 ^(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
  ]! c3 Y4 Z$ x9 [如此種推，5 C1 H6 z7 H( F% w; h
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
% z" J0 T' A: q! v/ M$ x9 T0 Z' U+ q/ k+ k
[ 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 w1 E; q0 ^, z& {6 e

Originally posted by Triangel at 2007-4-18 01:26 PM:. g. d$ V, i8 a3 M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
9 E6 V/ P2 p" w5 L( N! x
) ~( e4 F( d& d! b9 ~

! p! ]9 K) R/ Z8 s. ]( D( ^

" c# w( M& h, v6 {+ 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:) E( N8 K! N/ e: a
咁難既=.="# N) M( T3 O3 u, j

' V" Z3 `+ b& c[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

9 |9 r+ R4 P# z' ]  ~
! j8 ]4 }0 m, n1 L, |. S! VThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
6 R! J$ z3 }2 F第一個答中有獎1 t9 ]$ k+ N" |& f' m7 c$ d

3 Q0 m4 x5 d5 D  ?( T(x - ...

* d3 o5 _( q) W! N  A
: R; ~% P% m# b+ 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:
+ M, x/ V, i4 p% L5 G
* Z0 M# Y, Q, [& ?9 j7 L' F  E9 s: s" Q6 c# n  {
(x-x)= 0 ，所以答案係0，is it?

7 `/ z! F' s4 |5 V2 v' Y4 G
1 ]1 C9 n" I8 ~5 \! V  P6 |" J; ~. H0 m$ T' ?/ ?, H8 o
唔似a.math題: a9 f7 }. b" z: i) |: t+ @
似IQ題=.=
0 c3 Z8 H/ g9 F3 p, [1 v6 M& z% h0 _) S' I7 Q9 c; {9 J
[ 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:/ w- X! s/ j& d/ g
; ^, ~7 T% q- x1 M4 y" ?1 h

9 {( S& C/ r& E/ t(x-x)= 0 ，所以答案係0，is it?

/ v4 n4 M5 w# W, y5 W

# F+ V5 `' H' FBingo~

waikong

我係學校個學生會單張見過
3 N. Y- e( u6 E. i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.........
+ p! ]6 W% r1 V0 ]( L' Q" u! G! G" {' X) ^
這條問題，貼落吹水版，名副其實! T* b% R% m2 M" u+ {$ J

$ Z/ N" ]. u* _4 d/ y1 w[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]