| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a1 j! A1 [8 u* E* h  O
(x - a) (x - b) = x^2 – ax – bx + ab6 t  y, j. S' D7 s  z: ^
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc, C; Y" `& q$ J3 b( G
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
; S% K0 p1 n! n+ G+ p* b如此種推，
5 M# E5 P. B& ^7 M" X5 \7 V(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???+ @! M) H0 G3 j) \8 r
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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:% H, F4 C2 a' D" ^$ ~
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc# S8 R1 K0 R, _0 ?! V

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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:0 {/ j7 i9 L: k) K; x2 l: Y. c
咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
: q  L6 F+ @' E1 _. `$ l第一個答中有獎
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(x - ...

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0 @, c2 j6 u0 v2 l$ S! b(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:- K+ }/ I0 |' X1 ~8 Y+ \, g9 Q
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math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:( i0 F5 O4 t- m$ V# f

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0 q- K) @. D% a0 Z' W; H7 W(x-x)= 0 ，所以答案係0，is it?

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0 O) B1 d8 H2 y8 }5 mBingo~

waikong

我係學校個學生會單張見過
9 N; I: d% @: D; M6 R* z" a4 l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.........3 x- W( t/ I1 Z9 l$ B
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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 ]