| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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: w- Z2 N, ]9 m* B6 L; q- l8 ~(x - a) = x - a
' ~" U( y/ Y/ w) [' g0 J& l& i( t8 R$ P(x - a) (x - b) = x^2 – ax – bx + ab" u! f+ _( Z' U2 q, ]
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc; }4 p! {  l1 p9 c
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd* u: P" O0 l1 q  }
如此種推，( J* j7 M' y# i) |) l
(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
, S& G& _9 [" ^

Originally posted by Triangel at 2007-4-18 01:26 PM:
7 q3 X4 K; D1 D9 ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc" e3 e' J, r" ~, U" a- l
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1 w6 s6 q2 ~+ o7 @7 \: l[ 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:
+ @. [, I' ?5 F' ]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:$ d6 [) Y) G5 C7 a; U
第一個答中有獎& H, w' ]2 g( X- U' y) F

+ a# S" F8 c' \5 S( L(x - ...

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& v) f8 T' d; \5 E# |+ H1 w8 P(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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: b4 z- C  n+ l& F7 b' A5 J. L" M(x-x)= 0 ，所以答案係0，is it?

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& d( a. X5 x4 N' W) o) _
唔似a.math題) x9 F; ?: l' t4 D6 k" d& @+ ?
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:' o; F6 z- h! c, Q2 Q

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(x-x)= 0 ，所以答案係0，is it?

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4 @# V( U' v  N. P0 RBingo~

waikong

我係學校個學生會單張見過
1 D# C- M1 v+ w0 o! v; v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.........- o& |4 m; [( C  e, y" t3 f
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這條問題，貼落吹水版，名副其實' M& Z! @$ {# g. f
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]