| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
; S- I( ~1 u. h* o
4 H9 P4 Y( a: a9 n1 h( h(x - a) = x - a
7 l6 n- Z1 ?- Q4 [4 K1 ](x - a) (x - b) = x^2 – ax – bx + ab% d8 C. d( Y: }/ w
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc8 X7 @5 U1 I; k$ u6 p0 T
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
# Y% M0 A- ?% ~7 h如此種推，, s( Y( V2 C( H* T% P
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
7 M. v9 }( R5 }6 s0 |: P  H& {/ p- c+ i2 N0 i7 V
[ 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
3 i% |  @) d) P$ ^8 C8 [, ~% F

Originally posted by Triangel at 2007-4-18 01:26 PM:
% y: g/ G+ a; `. R, w8 p5 `' i+ D7 z(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc: }$ ]/ q# J7 T0 J6 N  p. J. m

: A; @/ Z% O/ }2 Z

6 E9 a$ c3 x/ ~9 M* |( a3 i4 B4 x' y& d/ q5 r# o. q
[ 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:
# f, i3 I5 b2 P5 t) m7 {咁難既=.="
& C& K- P& _+ A& F: e6 g5 W+ l
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

8 v6 x6 B$ v# A& l  k& W
! o/ ^3 t( x( s: G
Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:, \. L# F& A1 D9 y. u* c8 s
第一個答中有獎. d$ I3 @- o/ k1 c: }
% s/ ^+ f$ d" N, v& x5 [
(x - ...

% s; Z5 \0 v8 @, K/ J) b) `) ?# @6 V* k4 _; _
(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:7 \' [3 g' [6 T# f) _
* s! U6 r$ b$ j
( T) n% x& H0 r7 |5 b
(x-x)= 0 ，所以答案係0，is it?

* W1 J8 f* z# u5 w( b- _
( Q+ K7 S9 M' g/ w
, i! r# h$ e( b" D唔似a.math題& k' ?; Q" |# h; s4 l
似IQ題=.=
* p  V+ `# f  ?  A2 t
7 M) Y5 u6 Q! U; c6 v0 Y[ 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:# c* q7 g+ G) J4 ?

1 d0 v! ~/ Y" F& l2 e- X2 z# q* @5 l; z' t! H$ t- N
(x-x)= 0 ，所以答案係0，is it?

1 }! w* O' c. _9 ^
2 v& N- y% R( z* S4 s" O3 H3 l  O$ q5 J
Bingo~

waikong

我係學校個學生會單張見過- C, N  E! v8 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.........2 x; n$ @) \8 Q' Y; S1 }

5 m8 J: W% f, I" [! S: d) Y6 I6 V這條問題，貼落吹水版，名副其實: N! ?& ~- d3 k( R  p

% K% z7 s! N1 u# q: V& Q4 W[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]