| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎2 k, [3 |; P5 [% K

5 a. l4 `  X, x0 h' u, \2 _: U9 X(x - a) = x - a2 g0 B1 A0 I& H' B3 u1 r
(x - a) (x - b) = x^2 – ax – bx + ab
2 M! N! _* e& j5 a(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
$ ~; f: D: L5 ^/ o(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd; G$ U' ^1 l) [' Y
如此種推，7 `4 V% z- w" x$ y( K0 ?; Y  c% S
(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 M4 h8 ?- o" m2 S- {$ G0 U(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc" j! _$ n! ^4 s

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& }$ ?/ G" `# ^' S% O[ 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:% G/ G5 W) e! j$ F6 L8 R2 J& G5 C
咁難既=.="
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* j4 r$ j8 F  o  W' d$ C  C' V[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; c- [  U1 K" J; o% l4 BThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
; [; K$ g# ^1 q( G; a, W第一個答中有獎
9 k, j$ ?5 g: d) F  w- B2 t
1 q& V9 v( Z3 @) u. Q) m# h7 C. ?(x - ...

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' J+ R9 R+ I  Q* u  D% I/ t(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:1 v2 y, n/ J* R1 m8 W

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(x-x)= 0 ，所以答案係0，is it?

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0 G+ F4 _" L) h- M唔似a.math題/ }% t, y0 M8 E4 @3 K
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:
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6 w5 k# s8 }! d1 k/ [(x-x)= 0 ，所以答案係0，is it?

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4 N; ^' v0 n2 J8 N# x: vBingo~

waikong

我係學校個學生會單張見過
" I( R6 U, s$ _' M, O9 s/ z* 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........./ Q1 Z- t7 W! H! @. O

" C" d' x) I$ ]* v2 W" [8 X0 R6 y0 E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 ]