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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
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' e9 ?0 W0 j6 z  b(x - a) = x - a. z4 T8 M/ p3 \+ i6 O# |
(x - a) (x - b) = x^2 – ax – bx + ab
3 m6 h' Y& }- U( x(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
& P' z3 D2 g4 t. c2 n( Y/ t: Z(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
9 i% }3 a: d+ S8 D如此種推，2 C% H3 v, V6 |1 {
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???' }4 i/ B. [& ]3 \+ C
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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9 z  I5 z( \5 A, R& n; Z
Originally posted by Triangel at 2007-4-18 01:26 PM:% ^( ?0 i1 E- ^2 W% F
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc+ c$ y8 \1 Z/ d$ k

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6 G  w2 \  H' f7 Y) C0 H% W[ 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 H, G8 T+ q% A6 Z( @. \! L) H- o咁難既=.="
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* P% |" h) h5 p) [  J! Y[ 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:: f+ f( U3 z7 @! [7 K/ \
第一個答中有獎
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(x - ...
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3 b4 |. ?# \3 F, j0 I(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:
3 M1 `; ]6 f4 Z6 K2 u: Y! y6 Z" T9 c7 J7 s+ N. F7 n7 @

, ]4 N9 d. u3 |" b: O3 u(x-x)= 0 ，所以答案係0，is it?
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唔似a.math題
2 q* M8 l/ K: E; H# U似IQ題=.=
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/ S( u8 E( ?! V' P6 S# j) @: }$ \[ 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:# K; q3 K  X3 [
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. _# b* J" x9 d5 H(x-x)= 0 ，所以答案係0，is it?
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' a# P3 O! y- j! \5 R; TBingo~
作者: waikong    時間: 2007-4-18 03:53 PM

我係學校個學生會單張見過
5 {3 o$ W9 [/ C% L/ O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.........* `4 m) y. i2 _/ e8 a$ }$ `
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這條問題，貼落吹水版，名副其實4 ?/ t; I+ Z. _3 @, g4 {0 A

4 u. C' U- z" L5 ?* w[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]



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