| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎! L7 k& O  v1 ^
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(x - a) = x - a
& R- O. j7 M( K0 N(x - a) (x - b) = x^2 – ax – bx + ab$ M1 v" W! T& m# }0 E
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
/ e; H" `& u: Q$ H" Z, Y/ G(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
- }- k; T) {; g5 Z9 o. V如此種推，
" _% r, l& l! T0 w4 ^9 G(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 ]

大大

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:
% z, w! g" ~1 m3 i( l(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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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:
# A+ t( J! e- g/ _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

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
5 h) i# l5 l4 V1 a8 R5 T第一個答中有獎' c2 e7 W- ?2 a) F  n

( W6 k' G  q5 o# @$ p  L(x - ...

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/ i* W, }1 k1 Q% h+ J; c9 S(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:: A5 M8 Z/ f9 U

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( L. }: \% O' u(x-x)= 0 ，所以答案係0，is it?

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5 A9 A7 P9 e- T) O. @' u1 ?6 m2 @! U/ p# F0 {
唔似a.math題
0 g7 U6 K3 W* y) U% R! n6 `# }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:0 }& E6 n. \( O% z  B
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(x-x)= 0 ，所以答案係0，is it?

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3 F3 G: n8 t6 u: gBingo~

waikong

我係學校個學生會單張見過
& ~7 \3 |) x, d. @: E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.......... y% o8 M6 X- K* v+ F, H7 K* b8 c
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這條問題，貼落吹水版，名副其實2 L5 ?! f* }  s
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]