| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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" p7 h4 `  L( e8 N- d  y(x - a) = x - a  p# l4 Q- Q5 ^; ^( s
(x - a) (x - b) = x^2 – ax – bx + ab3 B7 K+ N' `3 l% a& U- h- S, O
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
5 {% U7 H* E: p+ K(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
8 ], }: \, ^; p如此種推，: U: C  M8 U) f1 I8 L+ S1 {) y
(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( d& d& U7 S! P: K/ S& k, L

Originally posted by Triangel at 2007-4-18 01:26 PM:
  d$ A( ?- q- G(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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6 g% \9 Q2 w( \0 x+ W: r[ 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:
. T* k! B3 ?: B& c1 ^; M, v8 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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- R$ r9 g% b6 f% u, MThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:" ^4 l8 L7 g7 R
第一個答中有獎
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- ?$ V( Y% d) ~; _" b& P6 p(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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# p1 r- C* t8 U/ @% N. u) T/ v唔似a.math題! i0 ?, X0 _4 P  ^
似IQ題=.=) z" F# k* V6 _) M
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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:1 @" I- D' Z- b+ p' ]$ W

5 u9 b! e& G, H. F( R1 W6 O1 k$ p  T/ I" \, d2 r5 M* h
(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
& C, N; @' j0 T9 M9 ]. 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.........2 h, l! h3 ~/ h4 `3 f

2 }6 U/ |$ j4 l: G0 m0 h; K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 ]