| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎  n* y0 p) E" b4 b

0 Q, Q8 Z* Y& d4 V. ~* b, c' C! ?" h(x - a) = x - a4 j; K! w! T8 y. o7 f
(x - a) (x - b) = x^2 – ax – bx + ab, v5 @) X: u  w6 o9 C; O
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc2 \2 N5 o  z) s0 }
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd, O# m% J  T7 V& `8 Q3 f- q0 Q6 g
如此種推，+ z4 K: P& A  @) H6 h1 i9 W, F
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???( S* O" g, {/ s. Y4 Z5 u0 |
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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:8 S4 L, g( r/ e4 \  m( G. {
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc! ]' E9 V3 O' v/ b4 Q: y# T

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: E7 U& S; L$ ?) c$ {& N. v1 B' g# J[ 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:# {+ d$ }" e5 t4 E. U! z
咁難既=.="
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6 D9 _6 m+ @" t; o+ O) D  Z- |" u2 C[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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. m5 n. u" ]' XThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
3 S9 w/ Q  e  V$ n& {" [! w* r( c第一個答中有獎  [) ?) S0 X8 N; w+ r
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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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+ h' D9 O+ O- A9 J- r- J唔似a.math題+ e7 `# @3 j% I; Z7 u
似IQ題=.=
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. D; `( m' M6 b7 Y( r[ 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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3 T$ a% ?2 ^5 ?7 Y( |( Y) |: v# k' M6 w* V: l$ T" U
(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
7 K9 ~4 H6 ~+ n) C3 |7 G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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% _1 u: e4 R4 _0 ]; d) I; l) C( `這條問題，貼落吹水版，名副其實" [0 t; u- c/ N- Q- k

6 @' t+ k, k5 V3 [' _* @, [1 [, ]: I[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]