| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎# q, p0 \1 m1 E% l4 @6 ]
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(x - a) = x - a
" b, M1 j/ N$ j% H" U1 P9 R(x - a) (x - b) = x^2 – ax – bx + ab
4 I  W0 e7 j4 s% n(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc+ F* O/ V) d! V
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 b8 f/ p0 Q5 W. V& D: ]" }如此種推，% `2 _9 _9 l* x5 X; h! m: @0 J
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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/ Q# Z$ R& Q- A9 X5 ^[ 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7 f, r% E0 {9 Y" s/ V

Originally posted by Triangel at 2007-4-18 01:26 PM:
1 E, t* B' A6 a% K1 [2 `(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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( _5 h  h6 I) ?
[ 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:
6 j$ X/ u$ R: F7 J9 j% d6 J( M咁難既=.="! {% O7 a% E# \6 Y% t
+ [0 h+ B: [+ y" }
[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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* h# I! p* `$ q. i# o3 |Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:# L" l1 \" Y' ]
第一個答中有獎
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7 ^: ]* c0 Z9 K4 v  U5 @(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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" k+ b6 K9 k, z& P/ y1 @(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
# G' i) Z/ R2 A5 u似IQ題=.=* R3 Z. z4 K/ X0 A5 b
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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:
1 z  Y" y9 w' J" o" B3 }6 n. w& E$ x* @# @# l/ Z3 t

* f1 Q: E8 m& j5 g+ G- I8 F(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% n3 l* a& _9 H: m6 I( Q$ g2 k9 h# `
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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2 g; W$ M) o) j這條問題，貼落吹水版，名副其實! @. ~' ]  o2 C7 P' ~7 y& b5 S9 s

! M0 z9 h' B) U[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]