| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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6 C  @2 u$ o. y(x - a) = x - a" i8 {% J9 ~1 K7 A) `+ r9 p
(x - a) (x - b) = x^2 – ax – bx + ab: i9 p  _& t9 r7 Y: ]
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
4 |* L4 l# `4 R6 k(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, k. ]5 @! E+ f( A如此種推，' G  U$ Y+ m- Q9 o3 [
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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4 Z  v$ {/ X- J( f/ f. _% N- W[ 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1 {/ }  Y( G& J0 q0 t

Originally posted by Triangel at 2007-4-18 01:26 PM:
6 O7 R. e, q9 ^# l0 i! g2 J- v% M(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:
: E7 U+ ~) X3 m1 ^3 F' J2 E# H咁難既=.="
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9 u% }8 _( P/ {, ?. o, e% M[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:& P- d* C6 m6 u& c1 Z
第一個答中有獎
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(x - ...

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( T2 M5 s) }  O: M& R8 x. Q(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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(x-x)= 0 ，所以答案係0，is it?

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0 G7 T6 H* q, o! {6 H+ }唔似a.math題$ B: G: c/ [3 _+ P- r
似IQ題=.=9 C* x% N% p: L7 r

. I7 z* O1 ~3 ^9 z" b# I* m( 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:
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(x-x)= 0 ，所以答案係0，is it?

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' Q0 s* p8 U6 K. v) A8 sBingo~

waikong

我係學校個學生會單張見過
( D- h( l3 B! j% [" `: K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.........2 M7 H, k" U3 p0 p. }" j

2 |1 M% r9 M$ T. R0 T4 `/ [這條問題，貼落吹水版，名副其實2 R+ w- K/ g1 _2 v
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]