| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎: e% p/ E3 }5 O- K& S. x# u

" ^. j( `3 @/ u& l(x - a) = x - a
# J% T6 L6 ]- I! U, |% ?3 r. h. t(x - a) (x - b) = x^2 – ax – bx + ab0 y3 B+ m! b6 U) [/ b3 w
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc5 Y6 W0 j1 G' e/ E0 N3 h8 Z: k* c
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd9 r. {$ r$ f7 g& I8 D3 v
如此種推，
0 F+ e' v+ ?4 D; J/ n6 M(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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* t. ^; [  g; `. {5 E- V[ 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:
" k3 a: X$ R: `) f+ e(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:9 `0 z8 ^: j+ [1 g4 n) U# D$ V' d
咁難既=.="+ q( x) ?; i8 o: h

) v: s  \, {, r3 @- b4 X[ 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:
" m# I! u  ], M9 y" l第一個答中有獎8 k. s8 U/ [; F( ^# j8 B) \

. ^4 y& }, W% H' S: m  H  s3 g(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:
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(x-x)= 0 ，所以答案係0，is it?

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- T( ]7 F5 T3 y- N) M% Q唔似a.math題& m2 _0 k% o" r9 Y: I& |. N) m
似IQ題=.=
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$ ]" h0 w/ B, y  v+ h- ^[ 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:5 n# A1 a' f# F; b$ J/ K1 R/ o
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+ {6 x. {/ H9 q# z8 n8 j' Q$ B# h& I
(x-x)= 0 ，所以答案係0，is it?

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3 \3 l- i! j  e. s( K% W5 lBingo~

waikong

我係學校個學生會單張見過) q$ g5 X5 Q1 j1 H
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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1 i% W/ Q; F0 O7 A# A' c這條問題，貼落吹水版，名副其實* A/ e5 @- M" {6 q' f

7 q8 L) g3 ~2 o9 [) [& z' a[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]