| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎2 ]( T9 H: Y# x5 _' u2 P* T( M3 A
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(x - a) = x - a% E" L9 Q# L% d( W  o/ j7 H: p
(x - a) (x - b) = x^2 – ax – bx + ab$ U( l2 R) X! L' G  \
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
5 \  D2 D: a6 H# N8 y( h(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% k5 A; P4 _3 S# P7 N' [如此種推，
3 b) ]1 l9 [& ~5 Z0 E( X, L(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???+ \5 ~3 {$ Z$ q$ ]

  f  D' L* C/ p9 z# S[ 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 |6 }1 M* y2 T) `

Originally posted by Triangel at 2007-4-18 01:26 PM:& m+ d  t, [' E- T" P4 g
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc! d2 c# b8 k1 J9 A

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! I0 i3 C: T& y5 m2 h' A[ 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:
. k1 Z* ^3 S' _  a: N. w9 i1 w  m- w% N咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

  v' @8 Q( x* y

. q$ R" ~  V2 f/ m0 |, bThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:$ ^, L. S6 i, ?9 b
第一個答中有獎% H2 n# i! s! t6 p. x8 h* U
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(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:
7 {# O* }" B& b! X
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; r* Z$ n# \. ^0 S; b(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題. b7 m* e1 b. T( v+ s/ T/ H
似IQ題=.=
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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:
$ x5 W) v5 ]' g0 [' m) o2 B7 D
) E7 a' s! o4 r" F
" S; X4 X2 H4 Z' z% ?' H- d(x-x)= 0 ，所以答案係0，is it?

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; |8 G' N- r4 ~' m! w5 HBingo~

waikong

我係學校個學生會單張見過( a$ D9 r' H0 N& u: W* u
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.........6 a( d5 h5 z) k- a: \

0 ]  [. n) H3 |" `: C3 P這條問題，貼落吹水版，名副其實2 Q' F) X* W! o- D. V
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]