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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
{(h0@%Dk@;| w
e;d#[OI |U [color=Blue](x - a) [/color] = x - a
}"H
}n%vs3F_!~!|+d6D [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
x9z(_"wsM Djx.Q [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc5_"z8|3[5haQ
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
4UY2f y/n a@ 如此種推，'TKa'H3c g0W"H
[color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
3H9c/~#J1s
w5C(w],G [[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;E5X&fU@7FUU ]
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:.R2g*X-_$WJ5|7v8m
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc7DPM @cK.To R%l
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[[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:
W*SI0fKG x 咁難既=.="
C.dyPDFe b (m xo%}^vk,V
[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]k%KFO^-E'@n

?,UxX1zMH:u 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:
*f1KQ*a.p.@X*Y#` 第一個答中有獎
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kHqC-l [color=Blue](x - ... [/quote]
fXL"nK%m2W(_)g0c 3A+M:T,h Kr
(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:"Jw;i,d"thPX%S

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`%iI3w]1y6M"ie (x-x)= 0 ，所以答案係0，is it? [/quote]
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md2A{Bj&T :good:
+B$o+T+Y]"x|@(n .X%~G l5Dcs&kk
唔似a.math題'jqFS$OoLZ
似IQ題=.=N3C_v5M
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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:e9S;?}:fI\:w$E

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(x-x)= 0 ，所以答案係0，is it? [/quote]
~jl#`nvH/Sh&h
-C uv"qM&D:h$b 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:
$z/txJp$U2A4{Pl 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.........
{$U1riG&}F rC*~)W~
這條問題，貼落吹水版，名副其實:naughty::naughty:
E7M6C*I;gU1MF%o \5i l(mWmYG[
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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