| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎) B# v, I1 M  a0 Z

% C' m: o1 U1 V(x - a) = x - a3 N- l  n/ {2 x1 ?3 G2 D: J: f
(x - a) (x - b) = x^2 – ax – bx + ab6 ?( j' Y& A# y6 `# M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
8 v2 R4 t+ z7 c) ]; S6 B: |( @4 u(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
- Z6 }! `$ S" M4 Q% o如此種推，; a% D. e- k* C/ @+ s: j! g
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???9 y$ O/ i/ o# T8 m- B! U$ m; e
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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/ u" f1 \4 J/ }, o' `" j

Originally posted by Triangel at 2007-4-18 01:26 PM:
( o& p: _( \6 X(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc  V- `( Q" h. }# ?/ F( `0 X% k

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. n  |2 \) a( I0 v9 K/ p[ 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:; v% e7 R" C8 K  E
咁難既=.="
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3 K. K: M7 L  I$ f( j( _( I[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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2 C0 g' t: m2 [! nThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
) z$ t/ n! x6 d( v/ h第一個答中有獎; q. ^: e1 l8 Q$ d/ X' `

" a( H) a, [4 W6 ^(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:6 T1 c0 C! b; p& U4 U  {& O6 x( I2 B
" D- z" }+ ]; x
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(x-x)= 0 ，所以答案係0，is it?

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  q& ?( G7 i6 Y# a4 U( u8 ^唔似a.math題% H9 S( z/ L' K2 ~( S3 b( \  ?* u
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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4 e( w# o! n+ JBingo~

waikong

我係學校個學生會單張見過
+ e  U' H, [$ @+ S* n- Q4 a. Q7 p" v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.........
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這條問題，貼落吹水版，名副其實
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6 U4 i8 F& P, V; |  E: E[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]