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Triangel

第一個答中有獎1 N0 f! t' k" E1 e5 t* z! l

  |* A( Z' N! N0 ]0 }2 ]  \6 Q(x - a) = x - a% \4 \) j. P* X/ h6 J9 y
(x - a) (x - b) = x^2 – ax – bx + ab. [; E1 F# \1 k% S
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc1 K1 D& S& E( O8 G
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
& `* }+ Z" J# H. Z/ L如此種推，. s8 S9 o, v! S/ o
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:6 I5 a8 e+ F! h2 s9 g- C) h
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc3 Z% r4 D7 F/ f3 m* h

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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:
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6 E1 M$ f+ n+ |. H* G[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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! I' J" e  Q& I+ K! p' m1 SThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
& _3 ?& N, I- R: L- _1 b1 L第一個答中有獎0 c; X+ W+ S* l7 m

# G( r* h/ W) u! b" t(x - ...

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+ R( O$ ~) i( o4 w(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:$ j& C" o- |1 b  O8 B& W7 G4 S7 |
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- O# M2 s6 H5 q$ _  G* A- d" l, Q; V; z- }(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
7 R  _7 `+ M$ m- l& ^9 l似IQ題=.=
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4 {  l2 Z9 F4 |1 W  c" [[ 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:" S. V% F5 l" Z* l

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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
0 X4 x  u* ]; Z+ @4 v8 `0 I1 t: p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.........$ p6 R8 n: L; X* u: V9 B9 s
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這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]