$\left(-10\right)+\left(-8\right)-\left(+1\right)-\left(-6\right)+\left(-30\right)$

$125x^6-8y^3$

$-5ab+1-3$

$\int_0^{\infty}\left(\frac{1}{x^2-1}\right)dx$

$\int19x\left(ln\left(4x\right)\right)^2dx$

$\int\frac{x+1}{\left(x^2+2x-1\right)^3}dx$

$194.8+178.9+190.0+184.1+190.4+176.8+186.6+194.6+187.7+193+186.6+181.4$