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Triangel

第一個答中有獎9 p3 x* Q! m' b! k9 G3 y* U: ?( ?
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(x - a) = x - a
( E' n6 C- B6 T  S5 h# P5 m(x - a) (x - b) = x^2 – ax – bx + ab
5 y# |. R; f, X7 d8 m7 }(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc7 u% ^6 T) u5 q
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd1 C3 p% S1 k: p6 |* c8 X! c- ~
如此種推，& `7 T9 ~2 p& Y) R& r
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???1 d$ `  M2 D# {" Y

+ b" c/ i; A7 q/ W/ d[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]

大大

點解你個問題好似有d問題3 \, Y4 R% ?* [4 I; [' o' Y

Originally posted by Triangel at 2007-4-18 01:26 PM:
$ ]; r% m1 I4 ~0 ](x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc: u' n/ Q0 s; J4 W# @
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[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]

Triangel

Originally posted by 大大 at 2007-4-18 01:41 PM:) C# k9 b; f% j' [8 s
咁難既=.="
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/ w0 k0 C4 c( l7 B, o" R; t& D( m- ~; f[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:$ K4 \1 S& L5 ?2 Y5 F# p/ O
第一個答中有獎0 C8 b8 B0 D. U3 f8 ~+ X0 T1 [. ~
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(x - ...

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(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:! N' Q" s! J$ O$ C; I
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+ l: a7 o4 y" G% N1 Q(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題1 }9 y) K- |& f3 X' n3 q0 G! v) P/ t( N
似IQ題=.=
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[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]

Triangel

Originally posted by littlenic at 2007-4-18 01:54 PM:
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(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
1 l* B! L7 A( Y( c諗左一陣先諗到

playbr2

我吾識答啊http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif~~~ http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif

karen0123

(哭)~~~~~其實我都知係0.........) ^# G& f# u" w7 C( E
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這條問題，貼落吹水版，名副其實  {- t$ b) Y2 f- P- T& G& J' Q
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]