A=\:\begin{pmatrix}0\:&\:-2\:\\ \:\:\:1\:&\:3\end{pmatrix}\:\:\:\:\:B=\begin{pmatrix}3\:&2\:\\ \:\:\:\:-1\:&\:0\end{pmatrix}\:\:\:...
24-42/6*5+3-10
2/x/(x-3)
uma reserva florestal
8/10+-3/10
2/x/x-3
1+1/8
1+1/4
6x⁶-3x⁴+x³+x²+4/x²+2