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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
K8u]5Qx
TpU-us?O#u [color=Blue](x - a) [/color] = x - a
\rih
s`6\RH [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
'Q6N7}Ve(},@ [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
7IT2})wi(B6D[ [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd0]2Z$J3D5I
如此種推，ZF/e8[@Vi
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
8X9w$n-_V_&F vQ0@FsZ
[[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V(r6m.p L4j3T
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
^
Ct1zkT"?j6J5a (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc-x D:`K b(Ti\sb

;G zJcE"Z [/quote]/?&IIsU

0uj'Q5n g1D [[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:oQ)a[ c4gG|
咁難既=.="
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iW&~]GsW(dqk [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
M?7g"u^:VL
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~i&f6Qx"~ 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:
b q/O;c.F*kBj 第一個答中有獎
^j2s{M2d?
5Ndyf:WFz [color=Blue](x - ... [/quote]
:Q9u#}[D})|.`
"Gl]X7_ (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:%P4|f/EJ\;w6i

j$^LSWZQIB WhsMg8f)v6I
(x-x)= 0 ，所以答案係0，is it? [/quote]
*q |u"x0h.Eb%p :good:
i3{Rs1dJ)R3y
2whRD+I&}W 唔似a.math題
8|l5},VQ'^3e V P 似IQ題=.=,n5v.t.hdr^

uz\[T8PNp/f+gdE [[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:
p'|:K6}BsJ
y%R$}[/E[m

_P'kA(SmZ (x-x)= 0 ，所以答案係0，is it? [/quote]$e(?9en_l"V)@,O0l
u|.FcW#G/]O
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:
/Seh&}m 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.........
BQ&]!q} @ G/Fs2x/Y"e
這條問題，貼落吹水版，名副其實:naughty::naughty:
,aB2vF1Y x px9B j1Va@
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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