| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
# ?, d' Z  m7 _) {(x - a) (x - b) = x^2 – ax – bx + ab- G& E  \' d# s' F6 s
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc! A5 @$ d1 J* i9 ~0 X8 s
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, u$ G4 d! i) K+ E如此種推，7 x4 c% T  Q( [) X' n
(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8 o4 ^2 B+ z$ S3 R  @# ~

Originally posted by Triangel at 2007-4-18 01:26 PM:
$ Z8 b$ o7 C- B! l/ g# ~(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc6 |, `8 D* j8 H. _/ v9 ~

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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:4 W" j4 a$ G: y! 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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, q2 s6 R& c( K4 bThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
; h: s( X. L* R2 B4 y第一個答中有獎
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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:# g: G& T' ]1 J1 i$ K5 `
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(x-x)= 0 ，所以答案係0，is it?

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# e6 _5 X1 L+ n) S6 L唔似a.math題# }' o; p: {$ x* b! W
似IQ題=.=
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( {$ n/ R, U1 a9 d; y9 r[ 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:
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(x-x)= 0 ，所以答案係0，is it?

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' W% j/ m* l+ N, U- WBingo~

waikong

我係學校個學生會單張見過/ }: ~+ W2 |  y- t
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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& `* P' J) y/ r& w6 u# Q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 ]