| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎4 b9 s2 m* z5 s+ E: ]' v' K# N

( G' I- _2 u2 i! E( J; p(x - a) = x - a3 a+ F; w% ]5 _4 J4 y' ~2 D; G
(x - a) (x - b) = x^2 – ax – bx + ab% x6 v0 a' [% n: R) y7 Y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc; @* g% a4 Y, X8 G$ C1 v6 W
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd% Y% L: k8 s* ?4 V4 F
如此種推，8 V1 m. k1 `: _. i6 l' ~% e" G% }
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???9 o2 r5 z5 M8 s, Y, `  Z1 Z1 P7 @

% e) B" u3 I& E; L' Z6 h! J[ 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3 F7 D* H1 w8 _3 C

Originally posted by Triangel at 2007-4-18 01:26 PM:
9 N$ L! j& `% u5 Q7 X5 A/ l( v) `(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc6 n9 ~# F8 s0 Y

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9 C! k8 N4 k! W9 j. R! G[ 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:
, `9 Q& \, J( h1 _. x; D% v咁難既=.="
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[ 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:
( l; `- F6 X, U8 {  w第一個答中有獎, A# K, ~; E* B4 _
! A+ i! r* H  _9 R& N( H
(x - ...

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8 ?+ p- W' o8 `& n# I(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:* V. s9 W0 {  s# D* a* T

, k; @  c* M4 Y9 T7 x1 b6 z( K+ A8 y0 u" x1 ~
(x-x)= 0 ，所以答案係0，is it?

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* J6 D7 o2 R+ M! e( k  @* \$ _% {唔似a.math題3 T3 U3 N2 {0 }; ?* r
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:2 L& l6 \3 v0 {: ~' Q

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$ W9 p( {# |/ R, B(x-x)= 0 ，所以答案係0，is it?

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2 n$ g6 E: j$ d: `7 Q6 n/ wBingo~

waikong

我係學校個學生會單張見過
6 f, a  ]1 V% `8 n6 j+ x6 C  v8 p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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這條問題，貼落吹水版，名副其實1 W8 R3 v" I; }) {/ ]/ O! h9 r

( S- @; e+ Y8 L' l5 o5 N9 U6 P[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]