大大

點解你個問題好似有d問題! P9 b: `  F7 R/ J

Originally posted by Triangel at 2007-4-18 01:26 PM:, m; g# A$ g/ \$ ~& x
(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 ]

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
; C6 e( V7 k# F* h* C- z  h似IQ題=.=
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[ Last edited by 大大 on 2007-4-18 at 01:57 PM ]