| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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$ x! P. o3 ~6 N; \% \(x - a) = x - a
/ D3 S9 g$ b" _5 X: q+ g(x - a) (x - b) = x^2 – ax – bx + ab7 |9 i2 o2 b. b' e
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc* Q( W" {+ z1 z9 R
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
" s8 K1 k& t' E* D" H8 G8 l如此種推，
! P, J/ D0 D' X: r(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???) X3 V, c$ X- ~, Q: D
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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/ Y5 a0 T( _  b2 N- m& Y1 _

Originally posted by Triangel at 2007-4-18 01:26 PM:+ A6 L  o2 _9 b8 E0 Q  L" D: e
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc3 r) K) @) j0 E

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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:
8 ^4 C& L+ n9 B/ e" p咁難既=.=". g& ]- C7 U$ O; o: E4 y

* v* N$ |' |+ H9 Y+ r  A* k4 q: O[ 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:. S+ f5 G* i5 ]2 N" ~. q
第一個答中有獎
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(x - ...

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3 ?  q; Z+ q& Z3 E(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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. ~) t9 M% U6 y% r* l: R3 |(x-x)= 0 ，所以答案係0，is it?

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; Y: P; \- Q3 t4 m$ q唔似a.math題
, i1 B5 Y# q9 Y' ]# C似IQ題=.=% _# ~* D# Z. A8 D$ e; l

. V9 A: I3 E/ z& s[ 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:" [) r5 u3 ?5 t: v# U

# t7 i  X& h4 U, B6 D+ {5 R9 C! k9 r
9 k) K3 Y% O- B1 C7 F(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" \  R. 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.........
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  h2 ]* r# c3 |9 O這條問題，貼落吹水版，名副其實
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4 l# T! P4 a, Q5 O- a6 Z' T, `[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]