| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎! |6 o- ~& W) k" R& i0 }( h9 U

$ M; F5 S8 {7 y(x - a) = x - a
- M. e. u9 z& c(x - a) (x - b) = x^2 – ax – bx + ab3 F) e5 U3 j" b! U: i: Q
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc. Y  q1 r% U6 M9 W/ N
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
. X% Q- E2 Q: a如此種推，5 }! F: C5 O) H3 `  @. b' H' F
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???" V2 r6 n9 K* }4 ]  X

! U" f+ `% B' R1 K) @% i0 }& ?[ 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' S( |) G. D3 L# u9 |% T5 P& }# N

Originally posted by Triangel at 2007-4-18 01:26 PM:
6 ^  l1 g8 L0 o(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc5 J  m$ H. r5 g) H# E

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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:
# _: Z7 M1 J, i+ t2 _咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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+ X( u2 q' _! Z" h! L: J, aThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:5 y4 j; M6 K- w7 ^6 }. o5 W
第一個答中有獎
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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:+ P  }3 ~; z- V
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
* l% H7 t. W  }7 b似IQ題=.=1 B9 f6 C( K, u
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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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& T5 L  m1 T: B- ?7 R4 ?(x-x)= 0 ，所以答案係0，is it?

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( E4 Z! W; z7 C4 ABingo~

waikong

我係學校個學生會單張見過
$ c7 i# X  q: o  V5 I# n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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- T) {3 f$ O2 S$ e. z2 n這條問題，貼落吹水版，名副其實+ _" g& g: o) Z

5 w5 p5 q9 t4 i3 T[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]