| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎. W( O+ s- Y2 V5 s1 p; |) j- [

( f  I( c% J. b7 R& Y(x - a) = x - a
% v2 m5 m5 H0 s' }1 I(x - a) (x - b) = x^2 – ax – bx + ab
9 H  t! \, e2 Z8 P+ {9 ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc6 O' {4 j, ]& n) ~* I
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
- w, A* S% `. x3 U1 C如此種推，1 ^+ g9 Y% Z1 o6 }2 @
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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3 E/ M* q+ z9 `, z6 Z0 b[ 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5 v% V+ }. @8 A  y- g

Originally posted by Triangel at 2007-4-18 01:26 PM:$ O' s! p" }+ Z! b. ]
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:
* h. N" t  i, V/ r, N/ q+ A咁難既=.="
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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:
% @  h" Z4 ]4 W% D第一個答中有獎
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(x - ...

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(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:9 f$ @' s- e) U: A

* `( J1 e2 k3 h% m8 q: j( a; D! [; a0 f1 r$ W, v+ Y! m
(x-x)= 0 ，所以答案係0，is it?

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: i  s; y+ \. i9 Z唔似a.math題8 t: U- o$ \, ]! |
似IQ題=.=& t8 k* r, o9 S" j  z: S! u" m
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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 a+ e" N2 X; V# T3 }
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. o- r! i. ?- i9 }
(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
9 T( Z" A' a6 y: g) Q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.........; u- L, k: c$ @- i' }) I

* V) r: q+ y$ U: E$ g5 B0 K: \這條問題，貼落吹水版，名副其實
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1 z% T" L4 y/ V[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]