| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎/ _2 y0 y% z6 W2 Q2 k4 k- q3 a
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(x - a) = x - a
1 p) y+ p" ]3 B$ m# v7 e(x - a) (x - b) = x^2 – ax – bx + ab! s: J' i  _8 I: I7 D
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc( [- D1 O$ e2 z% E* ^9 T9 O. m
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd+ f, ^6 X$ H( W. R. `1 G5 a
如此種推，5 ^4 z$ v8 ^( o2 m9 m6 d5 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
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Originally posted by Triangel at 2007-4-18 01:26 PM:
" ]6 c1 [. r- B' }  q. w$ N(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc) ^; ~, Y0 E" L, K/ ?) O+ e/ t$ I
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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:
. ~6 p9 Q/ t% h2 m咁難既=.="
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. @: J8 K9 I5 m7 v' Y[ 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:$ C$ D7 ]' x6 C6 I4 j# O4 Q
第一個答中有獎( p" n* r' L% K. D3 B
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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:/ [0 r6 o1 C) F3 p& }+ |

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0 G/ J$ [% ~# f/ j(x-x)= 0 ，所以答案係0，is it?

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# g6 A, G- q& X! |& m唔似a.math題
. V7 T" c1 k9 A3 U似IQ題=.=1 b/ }0 K; q' X4 q
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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:* L& G& ?5 J" z( `2 k: F0 v

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(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
5 o5 J, w; T& 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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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 ]