| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎9 _7 X9 }7 Y1 Y% U

0 `3 x! T' w* Y2 X, A4 Q9 `(x - a) = x - a
. \, Q1 d: {; q! q+ l( |(x - a) (x - b) = x^2 – ax – bx + ab/ j. f7 @; V  k7 S( K( D: t7 M; d
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc/ `& u% `& g" Q# r1 m* q: p4 T0 Z
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 h2 G' K; k9 H3 Y) K如此種推，5 s: p/ a% z; u3 K3 V( I
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???8 G0 s- [% ?; b, ]

# o3 G+ b& B; n! T[ 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( V4 w+ N( d" k$ r

Originally posted by Triangel at 2007-4-18 01:26 PM:
9 g3 \/ |" b- {/ s; z3 x9 \(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:
) Z8 r' b' K7 @& p咁難既=.="
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- H& j& P) c& x8 p+ @1 @. L[ 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:' q) L9 d* e1 h* z2 U' ~# r
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:
+ }; v0 P" A% d- c& e/ o' D" a3 `) O6 }3 P( w- c  U6 ]3 M

% f6 U9 Q5 m- b3 C% W1 ?(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
8 O7 K  D0 x6 z, ]似IQ題=.=* P6 N' p$ u8 V* f* D4 _  @
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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 E0 r5 c7 [9 I& }( R: ]

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(x-x)= 0 ，所以答案係0，is it?

# W" e4 w* t& G( j

* t' a; }/ c+ C& c8 d% OBingo~

waikong

我係學校個學生會單張見過
7 y/ q6 W4 I- B7 I" ^' Y  o* x6 p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.........4 O3 ]9 {% t7 L" u# F
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這條問題，貼落吹水版，名副其實
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0 ]# M. r0 }$ o[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]