| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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8 }- L  P% h! K2 S2 `+ ^(x - a) = x - a
9 `1 @/ H0 }+ E/ H: U(x - a) (x - b) = x^2 – ax – bx + ab
! p5 S% j9 h$ m, k: K5 m( l6 ](x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  v/ z- z4 S3 Z2 P+ p- B: o5 I: C(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(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
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Originally posted by Triangel at 2007-4-18 01:26 PM:! G) T7 ?" i5 A6 O0 J8 s& X
(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:. M1 M  U2 j; @; @6 @* s
咁難既=.="% X; z* s# I" `0 _- _  S! h- }

$ g& I1 t6 N+ @[ 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:8 [% v) d+ G$ Y0 [" N* \
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:
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* S+ f, u0 p4 _5 Q; a7 H(x-x)= 0 ，所以答案係0，is it?

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  |* E* _! w' ?" v唔似a.math題
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: E9 V+ ~7 y; K- e  d[ 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:$ W$ ]1 A3 e2 t4 J1 P9 x( C2 z& J

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1 `4 J7 P  b1 v; A* [% w! ?(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! U' R  V$ R" ?' L. S0 ]
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.........; T, L: S; p' d/ W

7 C* l3 ]' P, I" e# |) o這條問題，貼落吹水版，名副其實9 H9 L& [  |* M5 K
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]