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標題: | TriTri | A-Math 加分題 | [打印本頁]
作者: Triangel    時間: 2007-4-18 01:26 PM     標題: | TriTri | A-Math 加分題 |

第一個答中有獎% h% K* K2 k/ g6 P1 |

$ [% I" j  r$ H. k( e(x - a) = x - a( N1 D, n1 _$ z- a+ O5 {) B9 F
(x - a) (x - b) = x^2 – ax – bx + ab! m$ B+ W9 D4 y) g
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
6 B' v# T: Z6 u9 I9 d) m. E(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
! W, T5 m( C- h, n' v) I/ l! p3 {如此種推，4 Q( E* n, S+ A. h: H2 e
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; R) B' I& C( l! F

  l) B4 e8 L7 P$ q7 Y5 Y1 X[ Last edited by Triangel on 2007-4-18 at 01:52 PM ]
作者: 大大    時間: 2007-4-18 01:41 PM

點解你個問題好似有d問題
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Originally posted by Triangel at 2007-4-18 01:26 PM:! A, w5 G1 l! g5 j0 |. ~" h% k
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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0 u  v) K2 G( d2 G[ Last edited by 大大 on 2007-4-18 at 01:54 PM ]
作者: Triangel    時間: 2007-4-18 01:54 PM

Originally posted by 大大 at 2007-4-18 01:41 PM:8 g# ~6 \. P6 r  _8 U" b0 u
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
作者: littlenic    時間: 2007-4-18 01:54 PM

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 G8 z  E/ P. M7 r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?
作者: 大大    時間: 2007-4-18 01:56 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:
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- w3 ?, q9 o( @# m(x-x)= 0 ，所以答案係0，is it?
. t7 b( [$ X4 r. A. u0 M' X7 N- q; U  |; z' }; |9 C% ]

" d" \# M8 L- Z* g0 M唔似a.math題
6 e+ W! w: s/ v3 o似IQ題=.=
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0 _  k: C/ D; N1 s[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]
作者: Triangel    時間: 2007-4-18 01:57 PM

Originally posted by littlenic at 2007-4-18 01:54 PM:4 U; |1 r$ q" [0 }. }

0 M$ }' B4 I' |$ u! `/ l( ?( L, `3 k$ G$ T* n! K8 _% f( B/ d
(x-x)= 0 ，所以答案係0，is it?
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9 P9 Q: v% A, w+ P3 r0 wBingo~
作者: waikong    時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過: o: A& g' j- z# e% y
諗左一陣先諗到
作者: playbr2    時間: 2007-4-18 04:00 PM

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
作者: karen0123    時間: 2007-4-18 05:50 PM

(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8 W8 O( s, z2 J5 I7 y

  \6 i, g8 n8 h) K$ k4 T. s, `[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]



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