$100=e+70m^2+4e-3m^2-d^3+25m^2$

$\left(-36\right)+\left(15\right)-\left(-13\right)+\left(25\right)$

$\frac{3}{4}x^2y-\frac{8}{4}xy^2$

$\lim_{x\to0}\left(\frac{\sqrt{x+5}-\sqrt{3}}{x}\right)$

$\int3e^{-2x}\sin\left(6x\right)dx$

$\left(\frac{3}{2}x^2y\:-\:2x+y\right)^2$

$\frac{80}{4}-\frac{60}{20}$