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Triangel

第一個答中有獎
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(x - a) = x - a
7 a# _- ]% a, Y- C/ F: |(x - a) (x - b) = x^2 – ax – bx + ab
# p: p- o0 X# j) Y: A(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc- N5 |- e- O% e8 n4 d
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
  Z' l- z; N. t: q. w4 |如此種推，
4 e" z8 ]% z2 F1 ^(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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: q; _2 @- @' f# x( y[ 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:
' A1 K% V  L! E, x0 l; k% o(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc4 m- W* |8 U5 w6 v4 X& W

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/ V% `, F" v/ e) F* N" o1 L7 D[ 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:
4 i& }0 i  O$ v: M咁難既=.="
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( s* v! E/ m7 n# G[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; \0 K) X4 y1 C9 m3 N& n, X& NThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
* D$ V# U# p; S5 r6 v7 T/ X, G) k& A第一個答中有獎* S! [. U0 W: V8 r, e1 R9 k
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(x - ...

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5 W9 P7 |& J  r8 Y1 B) w(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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) g% d( S2 T: A/ v  J  E7 U' a(x-x)= 0 ，所以答案係0，is it?

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' \( }1 [4 t( C6 t) W0 I6 S1 b唔似a.math題* g. |. N: \$ {2 B2 ]4 B! N( V
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:9 M, X. I/ J# Z1 Z

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8 q5 |! Y3 m+ J! H6 b(x-x)= 0 ，所以答案係0，is it?

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- I2 A: f7 D' ABingo~

waikong

我係學校個學生會單張見過, y, g* ^9 R) e' H! l% Z  a
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.......... s$ s/ h% v' r) a1 F) N
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這條問題，貼落吹水版，名副其實; I, W  E( {6 N7 g! B

* ^  h5 @) K0 s; V8 a& r[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]