| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎6 K7 g' \6 l; H! ]8 Z* A2 t! `, |

3 ~4 l5 e( N4 G% U/ ^5 {(x - a) = x - a
' A' ?- _# b2 g(x - a) (x - b) = x^2 – ax – bx + ab- z2 x: p( N/ s2 H" f: D
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc" V# C* z0 g7 P; p( A
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd" X! \0 D% V% y0 _; {* t# D
如此種推，# ]/ j' v$ l0 _$ n0 w+ ]8 t  I
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???; f. M# D; s! v& P, O

4 G2 s  |% d; R' k3 V/ Q0 W, i[ 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:$ p* E8 X# x) L  O
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc* w  D5 o- r. ~/ ?% c6 E: `/ b

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, b- Z; {; ^+ L' X" ~[ 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:
4 _" `: T  \8 e8 g7 s/ B咁難既=.="6 Y5 _0 ?5 M4 H, W& }& o6 W
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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, @- u+ B, z( x2 {' MThanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:/ Y8 F/ Q2 Y* _# l$ Z, p
第一個答中有獎+ s2 ^# e1 }2 S7 ^1 w

! ?. p/ D. R/ j8 f1 x7 G(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:( U1 T% U) F$ R' V
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- l+ `$ N4 u" K% `(x-x)= 0 ，所以答案係0，is it?

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. B$ C2 ~5 M" ^, b% Q唔似a.math題! {0 G" T$ X' Q# Y
似IQ題=.=
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( _7 D. b; ~' V2 \; H( D[ 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" y# c5 K6 Y, m4 k1 z7 l

& Y9 j7 n% Z8 D  `7 Q2 d/ u
5 P0 p8 ]! h6 t1 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: j8 o, Z9 {& v& J
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........." R0 V8 m( P- `; l+ O- c; C
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這條問題，貼落吹水版，名副其實
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& D: q9 |- N5 S) M[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]