Respostas

2014-02-16T15:47:34-03:00
896678668 \sqrt[n]{x}  \left \{ {{y=2} \atop {x=2}} \right.   \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]  \int\limits^a _b {x} \, dx trrtryr vaaaaiiiiiii