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Triangel

第一個答中有獎
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(x - a) = x - a( S# o3 a* q+ r5 {6 k
(x - a) (x - b) = x^2 – ax – bx + ab! C; M1 m- b1 y. o, b/ k
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc/ d' k- |0 ]% r
(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
- h2 E6 q' i" d/ m如此種推，- ?- f6 V. A1 H/ ?! h
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???8 c/ p: h$ Q% B  }; |+ A
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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' y3 E0 K( x3 k

Originally posted by Triangel at 2007-4-18 01:26 PM:% j/ O& q4 y: W) o$ b3 N6 b& E
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
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[ 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:3 T6 Y3 P# E0 a0 B; u
咁難既=.="/ S7 w# y" N# |1 W+ N
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]

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% y1 q: J& J" R9 [Thanks! 更正啦

littlenic

Originally posted by Triangel at 2007-4-18 01:26 PM:
! ]" l* i3 q% h" J' p) S' o第一個答中有獎. f1 O$ v0 z$ E0 }  k+ V1 q( ]
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(x - ...

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2 x( p) u( @" V1 Q/ 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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; D. {7 a, {( f7 ?# u1 Y(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題
2 U8 l) m& ^- {2 o* w4 J) Y* 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:
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(x-x)= 0 ，所以答案係0，is it?

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( \$ n: K( Z+ }# TBingo~

waikong

我係學校個學生會單張見過
2 {" c, G4 F4 `# N( k8 K3 n9 \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. ]. y* t( E$ P) C

# p# j7 |3 V  z6 m8 w[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]