| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎% G, T" r* ^# W9 V

% B. W- C! Q% k: ?+ J(x - a) = x - a
. e) \/ s! B" h, u$ f+ ](x - a) (x - b) = x^2 – ax – bx + ab# C3 d4 {& x* K8 ]. y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc0 E8 }$ W& p- l7 ]
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 G: Z4 p# V! g: `如此種推，; A" E3 l/ f: W
(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:! Q0 H' m- d# T4 B
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc: {: ~' a5 h6 E, I2 P& o

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, ~/ y( ]* m  \; j& E1 @  L[ 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:
) G- I$ c- D" R/ O咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; z3 \3 p7 d  z. A7 P9 WThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
* b: V' ~) j- o6 g4 |' w" q% Z第一個答中有獎
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(x - ...

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2 m# _( G, F$ q) E( ^1 }& C(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:6 h5 s/ G, P3 A# a$ g: ?4 c
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題, c& H6 p0 ]4 w) f
似IQ題=.=0 B8 }! \1 _7 G* s% R' c* 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 k1 n( ]( j* |% ^1 m1 `! k
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2 i' I5 ?7 t$ O& [! D* P: i5 F& c! p(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
  i6 W7 Q, H9 A  O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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這條問題，貼落吹水版，名副其實
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+ F. F5 D! K+ w* X5 Z% ?5 |2 H[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]