| TriTri | A-Math 加分題 |

Triangel

第一個答中有獎
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9 e9 ?2 r/ r9 \( W. o5 i(x - a) = x - a& C* w  n$ g' D4 K# W( Y
(x - a) (x - b) = x^2 – ax – bx + ab  n; r& j/ \- M
(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc
' _1 z4 P9 h' t(x - a) (x - b) (x – c) (x - d) = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd
, J3 D+ l8 E- F# Z; H; F+ G; l9 X如此種推，3 u# @- v7 e+ F) \' n) l0 m' k
(x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) = ???9 }, u* S) W& l% w1 W( j

) A- Y: f; G5 x: d[ 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:
* ~/ t0 F% Z" o0 g8 n/ N(x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc# C9 r2 K, w0 H5 m

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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:' x3 L. C' Y( w
咁難既=.="
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[ 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:( X" v6 E1 `2 w- t4 h7 ^9 h8 v
第一個答中有獎4 q$ t& q& j0 W+ P/ \% g: T) J2 a# q
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(x - ...

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7 m1 e. W7 m" M& Y. 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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(x-x)= 0 ，所以答案係0，is it?

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唔似a.math題0 c2 d5 P; [9 }3 Y
似IQ題=.=. T" Z+ R3 v' K" T; |9 m
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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:4 _3 e' T& F$ r$ F8 ~  w0 }0 K
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' H6 [- d' l5 C# y; O(x-x)= 0 ，所以答案係0，is it?

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6 A; b1 ]. Q3 j3 y3 D1 CBingo~

waikong

我係學校個學生會單張見過- t" s  A. v6 H3 s9 c" A
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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8 q4 s. P! b8 d: \5 t, m% @[ Last edited by karen0123 on 2007-4-18 at 05:51 PM ]