| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎2 Z/ V7 U" k3 R3 `

" q% {3 D2 y8 _* b& ~6 U8 K(x - a) = x - a
' H6 W) d0 j+ v4 J! R# n7 n0 Z(x - a) (x - b) = x^2 – ax – bx + ab. Z( }' @+ g6 V, ~5 Q
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc& B& J/ w8 N! L$ F' K, L3 Z
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd4 n) {/ x2 X1 i: [
如此種推，4 F' ~" `3 w6 L) q
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???" o2 i- ^4 Z' ?5 m( r
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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:- i9 v1 s- Z" X  u/ u" }5 ^
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc5 l5 H5 u. q' V; O
7 L) }' n9 a8 |. i: m$ F. ?

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+ z) `# [9 r, S3 y$ ~[ 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:
7 w, H8 y9 Q3 c) A: f+ O0 i咁難既=.="; j* Q( Y% r8 s  Z6 Q9 O

+ K3 H9 C; D7 l3 s: o0 u; A[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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& S& e* b: x; ZThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:" \. y! {3 q- K( U" h, I
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:
4 o9 G/ q$ v1 @6 S2 w5 w
7 d2 N1 J0 Z; _* v- D9 U( m, a/ f0 u% D; _0 i
(x-x)= 0 ，所以答案係0，is it?

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0 X# s6 H$ U3 |+ g7 M! Y1 M2 J, E- I$ c9 \7 b
唔似a.math題! X: E% Y  N7 ?, Z
似IQ題=.=+ ^, i9 I2 _2 ]. l. n; v3 q

& P0 x/ l# h1 C  @; u& O% q' |, [8 j[ 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:: c  f* _7 }8 M6 }0 S" I% h% R- }3 V
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/ u' e! e% T7 u) W; i0 p7 |) H(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$ Y% N1 j$ T- u5 Z( h4 x+ b
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........., p5 ?( h3 E- d; Z7 `

$ @- p3 y" `9 r$ Z這條問題，貼落吹水版，名副其實
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! _) [& M! c# p[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]