| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a; T0 Q* ^" H+ @" ^' W. o% O
(x - a) (x - b) = x^2 – ax – bx + ab
5 w' N- L5 X9 p4 ]. v. R% ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc  R, ^' f( P6 ^& e' I! n
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 D2 N3 n1 H8 o如此種推，1 L! {' G( r* q2 |
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???# V) D# d$ V5 @
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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5 n5 c" b' o5 g/ o! w0 ^, t* w

Originally posted by Triangel at 2007-4-18 01:26 PM:$ i$ Q) X% f) U5 q- h) S
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc: [, O8 I: g# t  \

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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:
: M- ~* z5 }( u/ x! M: \咁難既=.="0 n) W) Y9 ~  B) A7 k
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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+ \, M. Y6 W; O9 @Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:0 k: j( }" W/ m' F( v
第一個答中有獎5 w# D9 ]( K0 w, a

4 J+ Q* R" V* T4 m2 X(x - ...

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$ w. j+ _" J% o  H(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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" f) x0 P& P/ O4 a' T5 w(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題7 w: R# S* ?5 @( w- s5 }
似IQ題=.=) ?! @0 }1 i6 N; F2 y

# ?( X$ T6 v% O3 O4 N9 L; N* Q1 b5 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:6 n8 G: R/ Z+ I+ n, p  T7 O

# U% h, U+ c: v
' t' n9 j- K/ \4 Z5 Z; k9 K3 N(x-x)= 0 ，所以答案係0，is it?

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1 q6 M0 l! \, u5 WBingo~

waikong

我係學校個學生會單張見過
0 h5 O1 x/ X1 L9 A! g$ 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.......... J3 E6 q2 p0 p% |
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這條問題，貼落吹水版，名副其實* p6 E7 }7 R; d

" s  g3 F) @& z: f[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]