$27m^3-1000n^3$

$\tan\left(x\right)\cdot\left(\cos\left(x\right)-\csc\left(x\right)\right)$

$\left|-350\right|$

$v\sqrt{3\cdot5\cdot17\cdot257+1}$

$\int\frac{x+3}{x^3+x^2-2x}dx$

$\left(5x+3\right)\left(10x+4\right)$

$\lim_{x\to\infty}\left(x\cdot\ln\left(\frac{x}{x+1}\right)\right)$