| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎( D2 W2 m7 M0 ~+ C9 _4 v( a+ O5 K

& C  s( p3 s; M7 d" [(x - a) = x - a
, m8 {) u* f9 @(x - a) (x - b) = x^2 – ax – bx + ab
& ]# w' d: x7 g# u(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
9 ~8 S( ~5 I0 v4 H# Y& U6 q(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
  ?% e2 {2 e$ a1 ~如此種推，
8 K# Z+ \& l+ v* Q7 V3 t  C$ w(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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/ B) @. n2 @# p" X+ 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
/ k, g( V9 {( m! v7 f9 O# P(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc+ K7 J# q* q" a. J8 _0 @
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  R- J% W; L+ \" U3 g[ 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:
( Y$ f# j0 A; _" N; q3 y( W咁難既=.="  ]( U4 W. b; H; l5 W

, p! ~' B$ i8 n8 o% c8 D/ w[ 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:
* g: v) l& n3 f+ }  y第一個答中有獎
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! P' `" p, i- a) }$ ^(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:4 z6 S: k8 l$ b0 m% y3 V1 `5 ^& V3 O
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  B' n  p, x1 C7 K1 ?; [7 B(x-x)= 0 ，所以答案係0，is it?

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; A/ q& c1 ~" m" B5 L1 T. M8 m! ]
唔似a.math題' u, o; I) K5 v0 P9 U
似IQ題=.=6 R& c* H$ p* H- o, V
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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 }& [* a! F, w- ~# h* L6 m; C" U: a6 \
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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
# X/ T- _1 b. R8 C' @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.........9 T2 G# {, V6 @
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這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]