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Triangel

第一個答中有獎3 V; O1 f0 B' i, C

8 `# A( b1 n9 u6 s7 a(x - a) = x - a) n' H; f5 E, P" T1 a0 x
(x - a) (x - b) = x^2 – ax – bx + ab6 z6 h' p. v: M9 }* Z  n8 A
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc" d& Z6 g& p. T$ k/ v& ]
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd- J. G# R9 q0 Y; V
如此種推，& ?% _! v; o6 M/ a, V' ]; g
(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) y0 j6 `$ C6 K9 ]/ N' {

Originally posted by Triangel at 2007-4-18 01:26 PM:
9 Q! o, v2 s5 }+ C& `- U(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc* D1 c, A: W: k, O" _% V9 M
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' s8 t" A# M% N  A" n; N[ 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:# o: B: \. r/ L! u% x" o6 j  o2 C* l
咁難既=.=", c1 @# x1 X) j

4 T2 }/ E$ l2 Y; d& z[ 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:
/ `6 P4 c* J5 A) y* I6 U第一個答中有獎
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6 S( Z8 N( q! Y/ A* K4 M/ P0 a(x - ...

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: ]9 V& C" ?3 w  J, q; D(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 E9 n: m3 k  }; R# p$ Y, q" C(x-x)= 0 ，所以答案係0，is it?

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8 ~0 |/ G# x- |, O  ~% T7 }/ S唔似a.math題3 M4 ^3 W  C0 f4 G' i
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:* C( o9 e& K0 @, Q

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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6 r% P% J% Z, z* I% O3 n
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 ]