| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎, x# k; i: U' ?/ K1 x. ]
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(x - a) = x - a! V6 Y9 e! f) c3 t' J4 d/ f
(x - a) (x - b) = x^2 – ax – bx + ab" D6 Q0 h% W0 V& n2 L- u/ \, W
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc% t# f) y& e1 C5 Z2 R4 d
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
/ w; {) l2 q9 |! D1 i如此種推，9 g6 h* o1 m0 [+ ~! o6 f5 V
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???8 X& a: T& c8 a+ Z9 Q4 d
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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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
1 d7 v, x* Q, u(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc4 F' [+ i& X" K% n! y, ^0 }

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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:: ?" C; u  h& l* q9 J6 j! b
咁難既=.="7 c" O/ E7 C- i8 A4 k, [5 ^
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[ 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:
& c7 }* C, v. Z& M第一個答中有獎
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(x - ...

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' x0 @$ ?  y* L8 T9 i5 a(x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:# s, L* Y$ c- d2 s. J  }# Z

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3 P: w' q6 k2 b1 o5 x. y0 B(x-x)= 0 ，所以答案係0，is it?

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; d7 g/ w8 W. Q# C唔似a.math題
! Z2 ]1 m) C5 L  M9 a; F. x" A0 }似IQ題=.=
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3 h% R; r, c2 F% T) L[ 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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6 x# f) o% f( M4 u0 {( q3 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; G6 v( `, Q( L# r
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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, T8 c: g0 V" B& {- P( E這條問題，貼落吹水版，名副其實
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7 H, A4 I7 Y0 F[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]