| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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. c7 q) m3 S/ }: }' I(x - a) = x - a  T8 e: Y+ v$ o5 A
(x - a) (x - b) = x^2 – ax – bx + ab
$ a8 u$ ~$ v, w7 Y; k3 Y(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
/ n( O, i3 M0 I2 h. D(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
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(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:
: e) D* p$ @" |7 z(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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- w, c2 P% H  S" r& `3 E2 X9 B8 B+ d[ 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:
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+ f5 U9 r1 ]' v/ B1 R7 q& F% Z3 P[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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; S5 F8 B) I' H6 A( qThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
; T1 k3 `( n" ~/ p# d  o9 V& N+ a第一個答中有獎
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% r/ D% h. M& r( ]7 w, e% _(x - ...

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  R% R+ r, @, ](x-x)= 0 ，所以答案係0，is it?

大大

Originally posted by littlenic at 2007-4-18 01:54 PM:# q/ |- p8 ^* d* j
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(x-x)= 0 ，所以答案係0，is it?

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+ {2 L% e1 r+ X$ M& S唔似a.math題
- v7 D8 x$ L1 i* A6 e2 ~8 |似IQ題=.=! @" y; ]( M' j4 s* v
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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:
3 q9 M4 A# H, z- y
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+ E9 g# Q3 Q$ K3 Y' k6 l) W$ r(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
4 a6 `1 T9 X* n% G" Q1 W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........." P' l2 _1 `& \+ L& }
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這條問題，貼落吹水版，名副其實3 Q" C) t5 t2 ?# o

0 h/ i$ \$ F: {* z2 T+ K, _1 G[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]