| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎% E' w  f3 m3 D. z/ L
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(x - a) = x - a
# w' w9 O+ d/ q(x - a) (x - b) = x^2 – ax – bx + ab3 Q# q8 J/ a& S$ v
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
/ R2 L0 u$ E9 b0 r+ i4 l(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
* F. i0 S- ^6 V如此種推，  [& T) Z2 ~, v: s5 h7 _
(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: M" j2 ?& t1 J0 Y' X/ y( e0 }+ W7 \$ `

Originally posted by Triangel at 2007-4-18 01:26 PM:- p: P/ z, S! L  E- _7 t# C/ [% ]5 Z
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc0 P- _. K$ l9 Y5 O. }& D
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" Y# N9 A# M& 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:
) H! z: A2 i; i7 R) p咁難既=.="! G3 H& {3 N4 d# j
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[ 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:6 u1 Q3 @" N4 T: P% w
第一個答中有獎+ `0 \/ H4 k) h9 r4 w' ]1 n: i* q
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(x - ...

+ c5 I, [' i( ]4 x+ v- x/ Z

  J& ^) n4 d( L* ~(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:7 B/ m3 |+ ]) ^& w! g

( Z9 O4 l+ I  p2 A% E& A' |
8 f- G+ r0 |7 a4 L' ^(x-x)= 0 ，所以答案係0，is it?

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5 b- K8 H2 }5 m8 S- C, G: p  Y/ z" v2 m
唔似a.math題% u3 q8 B' Y* E" Y, h( h* I9 |
似IQ題=.=# z+ F8 D0 K3 a- c. {: G7 Y3 x
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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:% |0 p+ w. K' Z- s

( W) Z2 b. d6 c4 }/ j6 j- e4 H4 A- I0 ?! O$ r
(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
7 ~( L& @) `9 k- k9 f, n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.........8 J% Y+ Q- L0 c& E

, I- H; R$ t- x) ^9 r* I. @. b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 ]