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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# \% z& _- @, S6 x/ J1 ?; u
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(x - a) = x - a: ~6 {7 t0 V+ |5 m6 r* J3 O0 d
(x - a) (x - b) = x^2 – ax – bx + ab
) [- Y& V! u4 G(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc# t% O: G8 O* B7 T& \8 c: v! i
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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& y4 ?6 y/ \4 t: `) E(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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[ 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:2 o( X5 A# M+ `& j7 E& I, M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
2 y8 G  H) |1 p$ j$ n8 `
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[ 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:
0 ]) }) O3 B1 T2 J( v+ q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 G7 T" p1 h, y8 N3 p
第一個答中有獎) a& o0 F  x! ~) T

5 g6 ?% O9 h! ]6 o6 W$ v(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:
% {7 ?& _5 r! k* R2 r5 Q* S5 X( n: a8 X! h- U* j+ S  W/ p

% S2 B# s& S2 Z/ v( {6 b(x-x)= 0 ，所以答案係0，is it?
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唔似a.math題; f( f- ?4 n, y- i0 T2 S
似IQ題=.=. h9 C9 x2 M; f0 g' W% a4 X1 P8 R

/ X& m+ \7 I6 }3 g- @) n0 T0 q, K3 _[ 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:3 L8 i' g( \; O! L/ T. P

5 _) j: @- R" i! u/ U: _2 ]( ^0 W/ b% D
(x-x)= 0 ，所以答案係0，is it?
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Bingo~
作者: waikong    時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過
$ i/ _, V" ?/ {' V) b! A+ ^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.........* U6 `& f) L. }9 T% ]

1 o; {8 w! }( ]0 E- H這條問題，貼落吹水版，名副其實# `7 c  W2 c. Y# \& }6 E
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]



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