| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎) r% h3 P/ L1 u0 R

& L' m/ U& O# q# k* x(x - a) = x - a
' v7 g! ^5 z, b0 c3 W  a$ l# \7 L$ T(x - a) (x - b) = x^2 – ax – bx + ab
- R1 K& L" x3 }9 p. }$ ](x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc$ K1 q2 J) A9 z
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
  Z5 X2 D; p7 ]如此種推，
$ e' J/ x- R' d& f% f3 A2 t(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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& w7 k' k0 N9 G+ j" 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" c: L1 ?2 `; z0 @: ]

Originally posted by Triangel at 2007-4-18 01:26 PM:! A5 I( ^# _/ K6 u2 @
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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! T7 j' d; Y9 o  _/ b- x/ _6 W9 Y[ 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:
7 m! I/ `5 a3 k, U& v咁難既=.="
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7 t  m- Y4 b. W- K" j[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* e5 K8 E  P; g7 XThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:& U6 g0 N5 E! ^9 b
第一個答中有獎
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. e) o1 g$ _2 d/ s! X* ^(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:- G! @* c# U' r
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6 m- g3 T& w. a  g4 B$ l& s(x-x)= 0 ，所以答案係0，is it?

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  i$ A; i! e" a& S
唔似a.math題9 D% w. {2 f5 I
似IQ題=.=/ r# e+ Z& q  [, p6 y

$ I4 x( |3 O  U: c[ 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! M2 Q. d$ d  h9 J
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- k/ Y, b+ o" h4 l0 G(x-x)= 0 ，所以答案係0，is it?

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$ _! W  E! a$ _+ t) e) T, ~) VBingo~

waikong

我係學校個學生會單張見過# g& u6 b0 e/ v* @' ?$ J3 ^
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.........
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這條問題，貼落吹水版，名副其實
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% _! J9 Z6 R" t$ T1 o' G* t) k2 E* e, [[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]