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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hc-?Zq%zpV7O


bwPKED @ [color=Blue](x - a) [/color] = x - a
j1}N2Fn^h [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + abaj)S1D,x(rSj
[color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc7X)a@A`4D(s1tS
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
KKv"KyCv-h 如此種推，
i8{+x*O${$s
ov+n [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
0P#n2oE~
v:[5S,naI^,p [[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
/j'y#PJ-tw2ve#Im6T [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:C6Z&zR\r
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc
Ux1C#xx-OZX` 7U`Of9S,eQ0n
[/quote]
#N|s8}s-_
s0v.a L|.N MS8ZX
[[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:
$Z|B}2c8G)v]s 咁難既=.="
sxS$X.Vv4^Y4r u,x+e@$P
[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]z \F%dD8yK$I

:oq$`O:d
F-n 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!}~&_^
第一個答中有獎
n~-A+T{z1E5EK n a]2s!qy%W
[color=Blue](x - ... [/quote]*O*fAiGwTC

If"Z,sqc6U (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:9T9lc+G*t/eX

%f^v`6T)?Bv \Bw o:kn*db
(x-x)= 0 ，所以答案係0，is it? [/quote]
CXb%h,ZKs;[ :good:
5Dq7a+N&pI}-\
Z];@9\7^x*O G 唔似a.math題
o2PVD;T 似IQ題=.=ZS%B?&x?Wb!Y ]

l;O3L8h-~ \@[-W [[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::GyF9a9?;|!g6l

!s&e(T2E5lP}$]!]J 1x'DGKt
(x-x)= 0 ，所以答案係0，is it? [/quote]

T6i,hsq E*y
"`cy)P(C 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:%V)Tf |i^
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.........+L1U:jW_6h*?D l
-`9^/Iko2n6hk;u
這條問題，貼落吹水版，名副其實:naughty::naughty:6K*y6b~ S3K


p2Wn_7|"jF [[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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