| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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3 l+ F4 a; M- ^+ [(x - a) = x - a
! v' t. a8 J" F- b2 i2 y(x - a) (x - b) = x^2 – ax – bx + ab
+ z+ {5 i% s& s/ G" O7 t1 J+ n(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
# W6 X" U# \/ i. {* b  }- ?, S(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
* M3 @* H6 v7 q1 L如此種推，
. w$ D+ j" g) C2 |& R(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
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Originally posted by Triangel at 2007-4-18 01:26 PM:: Q' T  D" l! N& \2 a
(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:
: |+ a: i0 u' V3 t1 @4 A. s咁難既=.="9 y# }* i, e0 ?/ g

' p% p0 ^$ B7 L- E+ h5 s! ?6 _+ N[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; R( X4 @9 a3 l5 W9 I- J0 nThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:' `0 q5 {& E7 |# j' t
第一個答中有獎
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& g- p# R& t/ _! l2 v" T0 Y, E+ H(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:
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(x-x)= 0 ，所以答案係0，is it?

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- p& f# S9 l  w# G% v) v唔似a.math題' E/ i) d6 x  f/ A! m
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:1 S7 G9 V9 R7 i/ U+ @
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(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
" i3 l3 ^8 u+ g. ]9 ?5 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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' i% L. y4 P" G  I這條問題，貼落吹水版，名副其實/ e+ f$ b; q% [& Z, T7 B/ s

: H$ _  I+ h0 h9 ~( d2 N3 i[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]