| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a# J9 j' H  c# e4 P0 \! d
(x - a) (x - b) = x^2 – ax – bx + ab( X7 `0 a# K% `; g, i+ b
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
; A. ~6 T7 |& H' P4 U0 Y(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
0 ^+ ?% O* S* y) u8 g9 ~: X如此種推，# ?! u( h. q/ X# u) l" G
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???2 h0 T) @: k4 F) O6 n* i5 w
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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- A( n* U, ?8 j7 m

Originally posted by Triangel at 2007-4-18 01:26 PM:
( p8 Z8 R8 D6 Y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc& j5 X3 V6 m; ~
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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:5 Z4 Y. `: }# L# y( n
咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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3 R% D# E# d0 T& z# u9 Q/ p. CThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:0 o" D4 k9 g' m7 ]# Q. W! d
第一個答中有獎' p" P' t/ Y' ^7 N0 b1 A/ \+ h# z
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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:$ e, t# L) K' P3 F7 |* v5 h
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, I, V% p: Y, j% s1 a& o(x-x)= 0 ，所以答案係0，is it?

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似IQ題=.=7 H# p$ X6 v7 R3 q2 U$ S) [

5 q: g, `" g7 J[ 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:7 L" ?0 ~3 N8 p

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6 G7 f' g; w9 I4 i) p( Q( ]/ r(x-x)= 0 ，所以答案係0，is it?

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Bingo~

waikong

我係學校個學生會單張見過
1 r3 y( X+ `: P$ S8 ^1 Q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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3 W0 I8 p2 C5 T, @1 `& e- A這條問題，貼落吹水版，名副其實
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]