| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎0 Q# z$ O6 G" L9 n% c5 D. ]. }) n

9 V, u" l! I. M4 J# B(x - a) = x - a/ K1 r: H1 k- p" o
(x - a) (x - b) = x^2 – ax – bx + ab7 S1 Q  n' x* e3 ^6 f$ K# y  }
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc& J1 o4 y$ U7 p/ u) a+ L
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
! f( |! S! t( Q$ X4 f如此種推，
7 i0 r6 i4 F" a- q3 O$ r(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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6 ?) w9 K) h( T8 z( b/ S0 f: w8 e6 P* q[ 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 H- x: e0 q) \% P5 u( U

Originally posted by Triangel at 2007-4-18 01:26 PM:4 }8 ]+ Z) A2 s0 [4 M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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. O0 ]4 M( L. D& H[ 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:9 S& O/ f7 `7 h1 S
咁難既=.="
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[ 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:5 m6 V! |4 @: o' z: w7 E6 d
第一個答中有獎" a) q8 p7 E: v
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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:
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題- n" G9 x0 `7 X2 T8 W6 N
似IQ題=.=( p6 S1 y& G& N3 g
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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:& L8 |1 ~: C7 X5 ?' S

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' R$ {+ u3 N+ S( t9 x  ?' A8 Z(x-x)= 0 ，所以答案係0，is it?

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- V/ i5 l! v. D; tBingo~

waikong

我係學校個學生會單張見過/ L5 e) |- \! s2 U: }! O! U& M
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........." F( ~( |! a, F2 p" j8 F

2 c. A7 S" y5 ?6 S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 ]