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Triangel

第一個答中有獎) S* h4 b5 ~& V7 m
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(x - a) = x - a
8 i: {. r) J# E(x - a) (x - b) = x^2 – ax – bx + ab
) ^- q. e  K$ f' Y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc0 d. l: ]% E+ z9 v0 n7 O
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
4 x  w+ }. @) ^如此種推，7 M, z$ `" Q# E! ^# a- p
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???6 u. M3 J* A2 K( S+ ^

4 s" k  |$ r% U$ U[ 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( v" Y( }9 t8 F0 w1 t" j- A" i

Originally posted by Triangel at 2007-4-18 01:26 PM:
& s1 i* Z2 {7 L" H/ g0 x(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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4 s- W+ A% t2 R/ H3 o9 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:
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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- m  z9 m* u9 R" h2 U6 b9 d; \Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:" Y/ [3 ^) ], t/ [1 L6 x
第一個答中有獎) [5 @3 l- v! u& h3 h

0 r( g& n, p0 I1 N; W7 G(x - ...

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1 \2 z4 X% j9 P4 F. w1 C(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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. q" a$ V# L: Z/ D4 }(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
( l" X' d/ }  y" i% h1 j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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Bingo~

waikong

我係學校個學生會單張見過, f! L* M! R/ D# E- \# |$ a5 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.........: X: Y& T0 H# x$ I8 K% h
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這條問題，貼落吹水版，名副其實
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" M+ B1 ^- h4 k* H- `$ ][ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]