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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1PK q-|
LpW#\]h

i4n c[W1CL Q'D-V [color=Blue](x - a) [/color] = x - a;D pL-y#n"w+o
[color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
zoQ@4q [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
4yoc+Fp4Y4m [color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
!b!L#v#?2B 如此種推，
{ ar y6g [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ????7_$X{ N*R
z;c)UA:D2[1X9RA
[[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~2k3YD5R?,t0gT
[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
'kp2^a{'TwlX (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abcSBHulJ
O? Q v
X*L"nl
[/quote]\+cQ)g;B\*|&m
D2?N#z w0Vj@
[[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:H9T"M{ ax'O
咁難既=.="
ad2|*OWI (r2|h]OB9D[Y.~B
[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]
,C;T!h d"y-{|w SSIZOvYtN
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:;p2\|~lg
第一個答中有獎
f4rxp!_s#fY Q$s&YnHOPI$N
[color=Blue](x - ... [/quote]
X xO`"N(Hb
[~6x-KUA8zC G (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:
N$` mv;C8o2DT 3i|1LO^F5~`[S l`

7\qz)P&G-b'tR/u (x-x)= 0 ，所以答案係0，is it? [/quote]0gM&l:_6hpfLY~
:good:N;ig0Sb

y?D&I3j6NG5PK:WSQ 唔似a.math題4uUqV%we5s7s]
似IQ題=.=
@8zX(X4\0d%N4K *BSD,kb
j2W
[[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:5a(\'P
Yl3c
"`C.Ud6Q+D7T
/h`;J4Q4p1m
(x-x)= 0 ，所以答案係0，is it? [/quote]
%^1a)Z.LV k o L H"g"a.j@'H0~
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,wZ1o,q6?
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.........UM[ `!Wjs
)bw@Li1k
這條問題，貼落吹水版，名副其實:naughty::naughty:%vY#V^s{F9q A

K_+E*E;}u_i [[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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