| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎1 \, u5 s- f* e- a4 q# g  I6 N+ s
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(x - a) = x - a
2 h. a" b" O7 B7 k(x - a) (x - b) = x^2 – ax – bx + ab
/ B7 Q) h& U) h5 A(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
7 O4 E/ F9 M8 K5 O- G(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
% ]/ ~$ O/ t5 B如此種推，
0 z" @  T% s+ f) P' S(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???" t4 U; A+ c. ~+ y

# M9 [7 m9 i0 G3 k/ p+ D# F[ 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6 [, }, o1 }. L$ W# L' T9 ]# r

Originally posted by Triangel at 2007-4-18 01:26 PM:
; {" Q9 M+ w' B! I(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc( z4 ?) c8 y2 W) B
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3 K% z* B4 u" `! L% D! I[ 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  S+ \4 ~4 L: Y. K& ^# p咁難既=.="
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6 |. j/ W% w7 D3 |) f4 w[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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8 N/ z, ~# @0 K- q+ P' tThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:4 L/ W2 e: W% n4 i" F+ _
第一個答中有獎, m/ ?/ h* {5 k- P& s/ ]
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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:
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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題3 _. _3 ?5 X5 ]9 v. o
似IQ題=.=
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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:
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(x-x)= 0 ，所以答案係0，is it?

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8 j+ f4 I4 c, P% W% T2 B0 l5 R  m; z- lBingo~

waikong

我係學校個學生會單張見過
9 m: Y& i( h+ M8 I% J4 @; D8 }2 o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.........0 t' d3 W1 V& K( m. f5 \: h# p

5 l) J: j% E, k  |這條問題，貼落吹水版，名副其實
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2 ~6 J; }4 k: r2 I: l! O, f' S[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]