Giải hệ:
$\left\{\begin{matrix} 9y^{3}\left ( 3x^{3}-1 \right ) = -125& \\ 45x^{2}y+75x=6y^{2}& \end{matrix}\right.$
04-06-2013 - 15:11
Giải hệ:
$\left\{\begin{matrix} 9y^{3}\left ( 3x^{3}-1 \right ) = -125& \\ 45x^{2}y+75x=6y^{2}& \end{matrix}\right.$
03-02-2013 - 09:32
03-02-2013 - 08:09
02-02-2013 - 18:37
02-02-2013 - 18:23
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