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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
\9}NE g&z Mz ~^_8`
[color=Blue](x - a) [/color] = x - a
;u3D2pY2Do%je3pg w%^ [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
7a3wI7ZI5G\){c [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
XH (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
P5f q!x.h$e 如此種推，
/aM8oRDZX` [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
K1m2[ q0F
1uFm:we)ez(j$D [[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
Sb E2}eJ+s&}.[ [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
s)gVI`sa (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc
:RwMs(c {+K$\A7SCa"r6t/n;h
[/quote]
-a-J4jY i"D6s
|1C6MA6l 9~#U'q1~0v$l`1W[+nM5}
[[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:
S(X{S k ~K8q 咁難既=.="pO3j;x/Eq.kpE

-b fyK&uQ Mq@ [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]Dp7|V1V0e\7n-~

w/S9k3P bV 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:
9IAw`'k$D+? 第一個答中有獎f M6{~3DcO j
_$iM}6fmzw.n^
[color=Blue](x - ... [/quote]
sgY'wZ{1S ,_T8A)DV
(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:
}hG S&k WU 7O(gM.t!Cj%w9c
'D!GX+i'rX*V0Ga*]m
(x-x)= 0 ，所以答案係0，is it? [/quote]h[/C J:v Z2WI"\
:good:{/[IC,J)C
9IK!nyW2S3n m
唔似a.math題mm
z*R8TR5lR
似IQ題=.=
*`[)WH @| E&GQD+{M
[[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:4e6~N$qz)[

CG4I8Iw
P

9J-dLe%\:k (x-x)= 0 ，所以答案係0，is it? [/quote]
,i,BM _y
~;S0E zT`4duv
^SsZl5m4G] 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:] E\$~p1l0hH
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.........
8\)iM&P @H
lB^'A9^x@ 這條問題，貼落吹水版，名副其實:naughty::naughty:(J`T1K^;O
6HOf@5~4r
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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