| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
1 L8 X3 A! r- Z- t(x - a) (x - b) = x^2 – ax – bx + ab* t, d- i# ?( [0 z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
# R) v, {; G, I% J) M6 J7 O(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 n6 D* \- F, D如此種推，! e; @6 J( d4 e" \$ n
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???5 z6 s, Q8 ?) ?7 P, J) Y

) j5 K6 r3 }6 x% H2 }# W[ 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:& a7 k  o3 ?1 ]9 p" y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc0 {  ]: p( X! v: o* l. p4 S& D

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[ 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:
- N1 K  h# d5 O$ h5 y! Q咁難既=.="! F2 h$ T6 M+ K. W

6 e9 K+ j! Z5 F7 V/ n[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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9 t% |7 h, m) OThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:0 g/ z( v  Z. Y# b' B
第一個答中有獎4 E5 ]7 z( D% R; N" V
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(x - ...

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& n; e# g3 R3 d0 D$ y; g(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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+ M& z' e6 r: Z6 z( [+ |(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題$ u6 a3 o5 T& T% _' \" l& L
似IQ題=.=' |4 w- [' v- Y! U: G) O: e

6 U& z! ^4 G; n8 _7 O" Y7 [8 e[ 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:* V; E, ~4 A. w3 [

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(x-x)= 0 ，所以答案係0，is it?

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waikong

我係學校個學生會單張見過: n5 h$ C3 q  O# V' k/ m% w* I
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........./ l# N: H. L; k* t

5 Q9 {; d6 D: ~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 ]