| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎3 }5 ]2 [5 x% @8 J6 @* o

1 S3 @  U$ g- e, V+ \2 Q2 E" S(x - a) = x - a
1 r7 g5 E: e% I! g(x - a) (x - b) = x^2 – ax – bx + ab! _1 c" @/ D9 F* S# p' T3 J
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
  d7 e6 |/ m2 W+ J(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
3 T" }& q9 W: `; D" b如此種推，
8 b% L, L( D1 W, y9 n' o(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:
" ?2 L6 `& C: u2 A( b- g- r(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc/ l8 V( L& N' T' S' r8 i  ~
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7 B; |5 X# J: ~6 @: e[ 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:( n4 s, ?+ b! M: Q7 X
咁難既=.="+ _; |9 p- q% p7 `9 O/ n1 _$ G  a
  X' H% r( R% a. }
[ 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:
' I5 T' N0 V* r0 Z8 A第一個答中有獎+ P3 q. u7 z( Y6 Q
  \% X  W& n0 U+ c% t7 q
(x - ...

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) f. J% q, e8 X* r* F( Z  ?(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:! m1 |7 K+ ~- U
4 @! ~, X' \. n' h- d( e5 [6 X  I
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(x-x)= 0 ，所以答案係0，is it?

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& V* X( q8 }* a( N唔似a.math題* {- l4 F3 ?5 P' Q; _
似IQ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:
% S  T9 B! K; v6 A5 c# I( J7 Q
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" Y. N0 G) s/ T(x-x)= 0 ，所以答案係0，is it?

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9 H$ m2 B8 k9 y; J0 M+ A5 z3 K3 SBingo~

waikong

我係學校個學生會單張見過8 w) U4 |+ l) p9 ^) B% 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.........: c# e  ~$ y6 t* Q& ^% f; i# h1 e
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這條問題，貼落吹水版，名副其實
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" K8 L* l' R6 A4 m: g% _[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]