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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
:H+c f!Ri'{*j
!d%z L*xm$cy.]1} [color=Blue](x - a) [/color] = x - a6AU ` {f,h L?
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
"dSk*xldr.KJ B(_6[ [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
.E\L b~wl [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd1aO GB"H$['Fu
如此種推,
Am0G*kL [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???QZaMc9O)fa

pY.Eg)B#e [[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
y;d5_+[j*o.| [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:G&qR9\$kP(np3|
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc
u%B-s'}~'{P;MM5jc
xFo` f9h g [/quote]
,Q UH1[{r8r.` (OB2r;_&W%Jp)m8s&J j
[[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:c(wGE3[6o BP-vx
咁難既=.=""PV4{V2dJZn
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[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]6S;nR1C!g$I6A9C
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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:kE#mML2o
第一個答中有獎0xv0sl(b2L I

"FEF7F!f [color=Blue](x - ... [/quote]
+a#rqZfC^`
-oX~!hH (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:
Ua m1g.V"H4OH3w U 0D/fO0r,h4}dz#v0U D

o`y ae9F t S (x-x)= 0 ,所以答案係0,is it? [/quote]
(Z,qwa R9A @ :good:6E-RYe8? {D9cZt
5x&m&Y N }!I#O
唔似a.math題
I \TO^g;M1]&a'S4e 似IQ題=.= \,IG.|gwf:a o#JR
d~T*[N+T uG R*h
[[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:
m9` k Sf
FNB x~Tu U w2t3tC!Cw3t5N
(x-x)= 0 ,所以答案係0,is it? [/quote]
O*r'c8\,M a l qp vgZBM
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: ze1yBa7@6u
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.........
F9GgDYL:d
J?z EBQ)U 這條問題,貼落吹水版,名副其實:naughty::naughty:
W:X} `:X d{ u5N&x8Fx UHP
[[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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