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Triangel

第一個答中有獎& V, h# @# p0 x- [+ N" {2 l3 Z6 B
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(x - a) = x - a* w  u$ {: W5 \: R5 C/ L/ y
(x - a) (x - b) = x^2 – ax – bx + ab8 E& y1 t- G/ U! D; A
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
% D3 ], H/ P, V(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd! e) P) _! a, u
如此種推，8 A& b. W7 y* j
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ 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:
, C  ]/ |* Q2 H; @4 f# ~) o: q(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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3 S$ H8 f$ N: 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:
0 x( K9 h$ N8 A2 u8 v! o咁難既=.="& c, |' `/ p8 V/ {

4 l% |% Y* O) O* N' t- [[ 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:
# {5 m  z. ?8 \1 ~% W* l) [6 x( E第一個答中有獎$ w) I* o3 W$ \' H$ q
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(x - ...

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1 x7 I* s  X, n(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:( Z0 R  X0 o* u" y: J

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. I7 r0 a7 k% y8 N(x-x)= 0 ，所以答案係0，is it?

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0 v3 i# \8 c7 {8 T, k, H唔似a.math題
1 x0 T- V( C+ ~2 x* `似IQ題=.=3 Z* f$ v5 M! \5 w; M

8 Q/ b6 Y9 M( P3 h6 ~/ y' `8 g[ 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:4 M! \6 _5 e5 D0 q$ d) l& i
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! V' Y8 B. U# l+ M(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: @2 Q; T, p8 r9 E- C% G
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.........! H! X9 x% b7 g6 S
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這條問題，貼落吹水版，名副其實- _: a- L3 x3 B1 N' |: k, @- K
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]