| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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4 \1 b  T5 c7 S" C& @6 ^(x - a) = x - a
* u5 h9 S* C: \8 R# y; q' b- {(x - a) (x - b) = x^2 – ax – bx + ab1 X# J$ O) T3 t& ~$ w+ X+ z. X
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc  t# j( w3 Y9 D
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 A6 e; H3 A1 K( O; U# D3 R+ K+ s如此種推，+ y" q9 _) G0 b& ~3 V
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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" T) }2 R# |. o) ][ 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. e1 [5 \+ v1 j5 C. q. X

Originally posted by Triangel at 2007-4-18 01:26 PM:
* W; w1 p, r- x! H" n(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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2 Z# U* D, J( T+ |, `+ |& N[ 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:$ g3 k  @& @1 K9 v( P* h  f0 ~. c% {
咁難既=.="! X( X7 z9 o3 s7 }

% ?$ N( S4 J2 Q7 G/ |[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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0 t: w/ O$ V) R' `; d& V' L) _) IThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:5 }) g2 J  h5 r3 ^
第一個答中有獎7 M) t/ [: a  c2 v

7 Q% B2 r+ q8 h: ^; u) n(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:
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(x-x)= 0 ，所以答案係0，is it?

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1 j" o+ [- Z9 q, r$ k唔似a.math題
0 L' \& F- }3 o/ v5 ^似IQ題=.=) u3 b) b, i5 ?+ Z

' I% p9 s, R; ?) l; g" L2 X) U. H[ 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:
5 d0 k$ v8 }! }# Y# j' T. O3 ]2 M0 [! n1 C: d% k

2 A$ [2 m+ u: l' A& A(x-x)= 0 ，所以答案係0，is it?

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& K4 l% W2 ~* [( i5 Z: S9 qBingo~

waikong

我係學校個學生會單張見過
$ {2 g- |9 U+ t5 ^4 x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.........4 j- C* t; T  S

1 Q4 Y. ^7 C, o' u+ S這條問題，貼落吹水版，名副其實/ j! |# I9 l5 x/ \
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]