| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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7 L% W6 W) P4 g' W+ w(x - a) = x - a" X  e5 x9 ]/ e
(x - a) (x - b) = x^2 – ax – bx + ab
) X7 w* W) d: ^; _$ s* g(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc/ c' ^- o' `4 _! c) {" F3 d
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd! E6 Y( ?+ z0 q, l% P% e4 N, A
如此種推，
) u7 b. U7 E3 p7 T5 \9 `(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5 L: z# z: D) G: Y. r# E/ z) q

Originally posted by Triangel at 2007-4-18 01:26 PM:8 K% `1 q& {  t# \( _
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc6 E  `8 b5 R+ b, O  ]6 H4 b# w
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$ ?9 f1 S3 U/ J+ u9 I+ A% I1 }( o4 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:0 y& O& |& k* V+ Y, q1 K
咁難既=.="
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  b2 w: _0 Z, o  y6 @5 l/ {+ H[ 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:: S) x" e$ L  `3 o0 L( Y
第一個答中有獎
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(x - ...

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- h+ ^1 e6 q* v8 w9 m(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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1 U; a9 U1 A  G4 ]) d1 T& `(x-x)= 0 ，所以答案係0，is it?

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唔似a.math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:' [+ `- r0 Z; O6 N+ L# j

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: N/ D* n0 \. n8 x# K) m" t0 A- u6 g(x-x)= 0 ，所以答案係0，is it?

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9 e. C; u" k! {) q5 zBingo~

waikong

我係學校個學生會單張見過
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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.........- Z/ W$ `( Y* _, `% w6 s
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這條問題，貼落吹水版，名副其實/ K3 Q/ A5 y+ o% w2 W  A: u
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[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]