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Triangel 發表於 2007-4-18 01:26 PM

| TriTri | A-Math 加分題 |

第一個答中有獎(_(g+f7\VD.uk

3f+CYKt$G-B,g'ix [color=Blue](x - a) [/color] = x - a uu7t'\8}'|A
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
:uZ _8G#x@ [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
!W$Z3Fi5SZ!vOj j [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
7O.F$e @\R4f 如此種推，|b'Ll+A0T
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???#dRU#E F4@0Kz

;C*Po
Fa&aRjU [[i] Last edited by Triangel on 2007-4-18 at 01:52 PM [/i]]

大大 發表於 2007-4-18 01:41 PM

點解你個問題好似有d問題
w9t9z?$P[r8\ [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
8G9}@hi.{ (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc
8G f%@o]lO"v-u
zN7W@d}{5]ap [/quote]
f+t#vh+A/B?C-R
R4ns3XSIJ'q j*B` [[i] Last edited by 大大 on 2007-4-18 at 01:54 PM [/i]]

Triangel 發表於 2007-4-18 01:54 PM

[quote]Originally posted by [i]大大[/i] at 2007-4-18 01:41 PM:!y^ow&LkE%^
咁難既=.="
J+{)l_C"Xbw
`g+|8Q_"Zq&NYq$\#p
[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote] \~$@#N-W2wM f!b!U
V7?%`"Vw4vr
Thanks! 更正啦

littlenic 發表於 2007-4-18 01:54 PM

[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
m@W"a&`
E 第一個答中有獎
ZptC(e9q JD^F"i-v3s{,ze
[color=Blue](x - ... [/quote] r)S x8EXc2O

8J(C`\ n0{bMk (x-x)= 0 ，所以答案係0，is it?

大大 發表於 2007-4-18 01:56 PM

[quote]Originally posted by [i]littlenic[/i] at 2007-4-18 01:54 PM:l dp.U9[? ]B){ P

M~s2v^u] e*cG(z]
(x-x)= 0 ，所以答案係0，is it? [/quote]%]YCU,OXI&G
:good:
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V\(PO*a:` 唔似a.math題E.K[#y7lro%w
似IQ題=.=
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[[i] Last edited by 大大 on 2007-4-18 at 01:57 PM [/i]]

Triangel 發表於 2007-4-18 01:57 PM

[quote]Originally posted by [i]littlenic[/i] at 2007-4-18 01:54 PM:
(y` PL"H'K%s{X
Qf\ G a4r
__:G5[c G/W` (x-x)= 0 ，所以答案係0，is it? [/quote]'hQg5b$y ZG2S/j
I(U1U#g zu8o
Bingo~

waikong 發表於 2007-4-18 03:53 PM

我係學校個學生會單張見過:haha::haha:
%Z2P'[
Z ~,n 諗左一陣先諗到

playbr2 發表於 2007-4-18 04:00 PM

我吾識答啊[IMG]http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif[/IMG]~~~ [IMG]http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif[/IMG]

karen0123 發表於 2007-4-18 05:50 PM

(哭)~~~~~其實我都知係0.........K4fl/Qq8|'}

(`'I7|fZ$}s 這條問題，貼落吹水版，名副其實:naughty::naughty:
~t7nC lK_ {:K.S:a
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[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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