| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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  \3 `6 f. ^+ i9 x; Z(x - a) = x - a6 K  s# z2 K1 m; L% y6 \; z* `
(x - a) (x - b) = x^2 – ax – bx + ab
0 v; a! ~7 ?& ?4 @- ]7 {(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
6 N. f% n( v+ z- K4 z( Y(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, J6 J9 v' C" |: L如此種推，
1 u( {: {9 {$ G# B9 e; I6 _3 Y  W* |(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???0 U, |3 k! V# }
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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:
  l( h2 W- S1 b( ~4 v4 U(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 u! S& \8 {5 L& r% X; k, D% Z咁難既=.="& |' {8 F2 X3 C( n* N, U, L

. I5 g0 t9 y! @5 r0 O, }+ b5 A[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:9 Q8 ^1 ~. d, s+ B  |, A' J
第一個答中有獎
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(x - ...

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9 J1 S; l8 ]7 ?9 U; O(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:9 F1 j  c% I3 Z% j9 X" `: E* L

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1 t8 F( S) j0 X1 N, m(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題9 a8 |2 r8 g  Y9 u& ~
似IQ題=.=
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[ 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:
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(x-x)= 0 ，所以答案係0，is it?

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( @7 J5 m3 u. a4 w, XBingo~

waikong

我係學校個學生會單張見過; e2 e8 ^0 u2 \) [/ Z
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 i) v5 R9 ~! w; w$ [

# N' s9 p0 p7 t這條問題，貼落吹水版，名副其實7 ?& G! h( ?9 G" b2 N* h; r

8 D+ x1 d; x- d# E+ f+ h9 g[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]