GHPT:
$\left\{\begin{matrix} \left | xy-18 \right |=12-x^{2} & \\ xy=9+\frac{1}{3}y^{2} & \end{matrix}\right.$
GHPT: $\left\{\begin{matrix} \left | xy-18 \right |=12-x^{2} & \\ xy=9+\frac{1}{3}y^{2} & \end{matrix}\right.$
Started By minhdat881439, 18-06-2012 - 10:11
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