| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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(x - a) = x - a
. P7 j  V% }. q. n(x - a) (x - b) = x^2 – ax – bx + ab6 A: |! r7 p) D, E% T* Y
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc# H  P3 {! v- F+ j' N
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
1 U1 T& t& i0 _/ p- }如此種推，9 \8 _: ^' t  I/ \0 t) s
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???
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8 ^7 B  n; b( u, N[ 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 h4 l5 M1 A: p( o/ i

Originally posted by Triangel at 2007-4-18 01:26 PM:
8 u3 o5 v8 T9 p(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc& x/ p2 @& \6 A3 J( ^

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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:: b( {- v7 E; B2 \& ?
咁難既=.="# M4 `, g9 I; Z4 U

# S1 y' _& R5 x' O: f$ _. P[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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+ \6 r7 a- }! |7 D7 @5 j, ~; bThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:' W9 i; Z1 ^1 I/ Z
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:- p  a1 T; N5 c& ]( b7 b6 f
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& C/ |" W) m6 O; q: n(x-x)= 0 ，所以答案係0，is it?

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# R' P' O8 g( f8 g9 ]. {! @唔似a.math題& `  B6 h- t$ A2 p5 q' m
似IQ題=.=
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  G4 e# X9 y* Q[ 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:% Q2 x  r2 e, \- \8 \
( {2 j; x+ a$ r8 r2 |) b& t
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(x-x)= 0 ，所以答案係0，is it?

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waikong

我係學校個學生會單張見過( c" L  y% Z- M& h, 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.........
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0 h# o7 ?$ L: K% ^9 C9 f這條問題，貼落吹水版，名副其實
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" [4 \) Z4 O8 s[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]