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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
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w8Q
G#lEe7Jc [color=Blue](x - a) [/color] = x - aE n a8GF W
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
"st9xK#qLWQ [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc?M%yz+n2q[
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcdV+sq.Ki7]
如此種推，
|A:vZ6|3Z2b8u^ [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
8X*EDVv*zO
dYa2] B5]| }&b"ol [[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:N!bO/vU$Y!ko9o
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
RK;`akC (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc4v!ST Ml2Pr

9^Pt5{V"P PG:?y [/quote]E,jU-zlz?4bg

4I)\7y#Dh%Y^ [[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:
E"E*rH tA 咁難既=.="#\*E{` P2H] Xd

7fQ}M3Wy|0]jWo:z [[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
rcp+bhS
~Abc3wD+f%YOC 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:
s+]e?6m!j0w.zh 第一個答中有獎-R
QL*m6e-t'k2VY

E^#CUW"d$?(G [color=Blue](x - ... [/quote]JR\F7E

W9}%Im ks^ (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:+}+KaYy~!T3YY

L7{}W:\W-Y
qB~n;fKD (x-x)= 0 ，所以答案係0，is it? [/quote]
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唔似a.math題"Y[ N2SHs
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似IQ題=.=C:o#L7e"w
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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:
7^#iRfJeG,Z6B%g\0x
kp3SrHZ
4I bE\,K5IY7e (x-x)= 0 ，所以答案係0，is it? [/quote]*IL8U\5Ze"T

0TCnz~Z)uf 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:
7clG3Iy*oJ!Io 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.........
#h7K#V5_A"VJpL ,U skJ7j0Y
這條問題，貼落吹水版，名副其實:naughty::naughty:y'V_'hh
3[X4gY"O(isD&f
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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