
Originally posted by Triangel at 2007-4-18 01:26 PM:! A, w5 G1 l! g5 j0 |. ~" h% k
(x - a) (x - b) (x – c) = x^3 – ax^2 – bx^2 – cx^2 – abx + acx + bcx - abc
Originally posted by 大大 at 2007-4-18 01:41 PM:8 g# ~6 \. P6 r _8 U" b0 u
咁難既=.="
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[ Last edited by 大大 on 2007-4-18 at 01:52 PM ]
Originally posted by Triangel at 2007-4-18 01:26 PM:
第一個答中有獎
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(x - ...
Originally posted by littlenic at 2007-4-18 01:54 PM:
(x-x)= 0 ,所以答案係0,is it?
Originally posted by littlenic at 2007-4-18 01:54 PM:4 U; |1 r$ q" [0 }. }
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(x-x)= 0 ,所以答案係0,is it?
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