| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a2 F2 l9 p+ G" C2 [. R1 M
(x - a) (x - b) = x^2 – ax – bx + ab
% k$ y7 g4 o! p; U(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc0 Z" o6 T. d8 N
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
/ n: M, @, b- B) G, Z; w/ V' i如此種推，8 P# s! I) ?% x, {* k7 v' ]: N  r
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???1 P0 Z) b  D  |/ b$ n
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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& l1 @8 \8 I. J7 x1 E- P

Originally posted by Triangel at 2007-4-18 01:26 PM:
% ?- U- x6 j3 E* }; U8 J% ~$ ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( Z( e: M$ ?8 y8 Q$ J7 M

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3 c' q3 d% u4 D7 W& Q, C[ 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:# K4 h2 `$ h- g  t0 s7 ]; b5 D* L* s
咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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. u1 j- S  V' r- lThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
- y, A$ Z" z: V/ n$ \第一個答中有獎0 s4 [; u+ S( W: m8 O) e
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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:7 [3 o# |7 {; t( Z, |& d, y
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(x-x)= 0 ，所以答案係0，is it?

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& u- {2 d+ |! L: [4 Q* h9 e3 x! X' B) i( Z: C- ~, t
唔似a.math題
# T# b/ S5 k9 D/ m似IQ題=.=" v0 f( Y4 q$ s5 q9 Z

; O* H/ ~. n: Q[ 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:2 L" s8 O7 q* L/ x; N; N

, j  Q7 v/ J4 l0 {& E5 _  q% o8 c" d
(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( E: V) F- Q- D
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 ~) h  ~. f& N8 P

% a1 v2 u- I+ g: t7 z7 S這條問題，貼落吹水版，名副其實. O' X2 ?5 R/ m& @
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]