$27-12-8+33+14-17-19$

$\int\frac{\left(\left(49\right)\right)\cos\left(x\right)}{\left(\left(-20\right)\left(x\right)\right)}dx$

$xsen\left(y\right)=x$

$\left(y^4-36\right)$

$\frac{7}{5}+\frac{18}{5}-\frac{10}{5}$

$\frac { 5 x ^ { 3 } - 3 x ^ { 2 } - 20 x + 12 } { 5 x - 3 }$

$\lim_{x\to\infty}\left(\ln\left(\frac{x-8}{x}\right)\right)^{\frac{x}{4}}$