| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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0 n" N: x$ w, |) ?* ~+ R7 P(x - a) = x - a
3 F: i3 T1 I0 g8 ], q4 W6 g# ^$ v6 [) d(x - a) (x - b) = x^2 – ax – bx + ab, @8 O/ s5 N$ l- L& @
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
, \& \) Q# v5 g& \0 ^4 F, S(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 V) l& ]* n( j( \0 V+ t! d. a) n如此種推，$ H1 q: v' A( P: Z8 h4 v
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???* O9 Z# m2 ~, Z
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[ 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
( e. c! g1 R" i4 D% s& }. ]1 [(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ 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:
3 ^3 u: `! H5 Q9 m+ W7 J. S咁難既=.="9 o# {1 ?. m6 N! S* \; ^
  [) B! d9 w0 n* ?
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; v5 ~0 v2 P- a, [  xThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
2 W" ?5 J$ R1 L5 L  M第一個答中有獎
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, Y" I6 K) v( R" V(x - ...

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(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:
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8 A/ o! a( p* x0 ~(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
! R6 [9 Z2 H$ l' ]. U: z似IQ題=.=
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- U; C( C/ E( W, ~& T% P1 {7 z1 u[ 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:$ n- B% A+ Z( N0 N8 Q% y
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7 m: O, j! Z$ X3 `$ }+ F* r(x-x)= 0 ，所以答案係0，is it?

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# O$ `8 K1 |- u; g! zBingo~

waikong

我係學校個學生會單張見過
8 _9 c- A7 m1 G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.........$ }- Y3 r) R* Z0 S" s

- [6 e4 E2 {2 I7 A5 [這條問題，貼落吹水版，名副其實6 p2 @" d. k, H: A6 M: F; Z8 }: w9 C2 i

- G& P  |3 c# Z[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]