| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
9 u: D( H# Y! ]# ^3 h) U* S$ l(x - a) (x - b) = x^2 – ax – bx + ab
4 ^# Y1 O9 C$ K. t& y0 r/ R2 I5 R( G(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
% K# r+ O: R9 D$ W, J, i/ W(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 t$ }: t( e( n; w如此種推，
  t" }7 ?/ ~. a8 P. F$ H, E: P(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???( _/ C7 x: B$ ^; X) D. F5 n' U; S

) N+ \8 Q7 N9 d2 W3 [% T[ 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! U* S% I3 X7 r# j

Originally posted by Triangel at 2007-4-18 01:26 PM:
' h, E3 o; E) }! g5 \% g3 G(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:
+ t* E8 F  w& [- Y咁難既=.="+ ^! G5 ~6 d+ k) f) }8 S, @

! J  q! P7 E) c+ C, m* ~[ 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:
- d3 V  l2 m& W. V! Q第一個答中有獎. `$ c' J( `' Q. j% L6 M

8 |. T. }/ y4 Q% {) V' w% h: Q, U(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:* |- c0 z* L# ^# d) Z0 V+ ]/ }. ^
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* `9 u# k% y4 X. K5 d2 ^7 m(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題7 Y( y! o. d; Q
似IQ題=.=8 T* k- _9 M% z6 O* ~

. z! v% B/ e! G! ^1 Q# b[ 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:) W0 d0 p: e! |9 o! z7 x

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! V2 a/ y, [! t* H$ S% B(x-x)= 0 ，所以答案係0，is it?

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3 j  [$ T# G2 R& k; r5 JBingo~

waikong

我係學校個學生會單張見過2 s$ G  w% Y7 Y8 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.........8 M0 f* l' C# T8 v. Y! `

( F: s4 d) u2 n  i0 J6 v這條問題，貼落吹水版，名副其實7 h$ J: f  C1 m6 p) k

! \1 B! |' @; j# R9 b[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]