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Triangel

第一個答中有獎
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9 ^$ ^! v$ _# `& ^4 u+ }(x - a) = x - a7 c0 C7 ^( i) i. C/ {& I3 }, C6 X
(x - a) (x - b) = x^2 – ax – bx + ab. {" C4 d* ]( y: b0 j
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc4 K% u) t# \- o6 Y
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd7 U) H) A$ o0 v6 k- l0 n
如此種推，
) B! L# q4 P  t% x0 I(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???  T4 W6 q) }+ I; E0 y: _
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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:
; L6 ]+ n6 D' K7 @. E( W(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:: b. g( ~2 s  a+ @3 L
咁難既=.="* |1 n% x5 J" ~4 V

7 j" A6 _2 d( o4 T[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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, X& F# I1 v9 J& L& YThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:/ m0 W0 Z( g9 [, {, h+ u
第一個答中有獎
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(x - ...

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$ W8 F: w" Q( N# E; h1 `/ n) F(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 A4 p! D* H3 N! E. G. C( x! R

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(x-x)= 0 ，所以答案係0，is it?

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! ]) I0 L. Q1 Z! O. G唔似a.math題; @3 k0 _' l* U3 E* |
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:+ r8 A  i+ |5 h1 b

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( X1 x) n' k( f5 c5 s& \( u* F(x-x)= 0 ，所以答案係0，is it?

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& Z9 Z5 P7 b1 W, Y% SBingo~

waikong

我係學校個學生會單張見過3 A6 A- R3 r! N& j/ r
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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2 P- g. f6 }/ K) }( i這條問題，貼落吹水版，名副其實* u+ E, s1 D( i) A7 T+ Q
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]