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Triangel

第一個答中有獎
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& j' S! s+ U: Y5 m/ s* U/ K. d(x - a) = x - a" |( {! J' J- H* v
(x - a) (x - b) = x^2 – ax – bx + ab
# Z( {$ Q3 ?: l' ?(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
1 H  S+ F+ l: i(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd* ?  K6 |+ V$ }! w
如此種推，
0 h6 W, P2 V* U: D3 O0 F' _2 l6 C(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???% t; s  `, ]+ o2 ~. a; O

' V- x* e2 n; J" W  y/ P& g; 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0 S- c/ V" {$ y) I  l

Originally posted by Triangel at 2007-4-18 01:26 PM:
( W- D9 f4 l# M8 `/ [  r4 Q! Y) Y  @(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc9 D9 U' i) p/ w2 b& ^
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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:
0 A) [0 c  y  Y+ s6 E9 h6 H: O# E7 L咁難既=.=", }( Q+ W9 T/ g7 `" e$ l
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[ 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:
6 Z. S, n' w! S7 e: i' [& D第一個答中有獎
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(x - ...

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% `- A: p! g8 f, N0 J(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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3 Z: F, d* f) Z$ k& b+ q6 _(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
, n" G6 o8 \* w2 P, L似IQ題=.=
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9 q# g: F; p4 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:
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(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
9 }0 l" R4 }4 g7 f3 A8 A* 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.........
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4 w; v4 Y8 U$ j8 I這條問題，貼落吹水版，名副其實! l4 _, `( f0 R" R2 a
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]