$1-3x\ge2$

$\int e^{3^x}dx$

$\int_0^{12}\left(-\frac{5}{12}x^3+64.7578x-187.03125\right)\left(\frac{1}{3}x-\left(x-8\right)\right)dx$

$1.5\:+\:-8.5$

$\left(14-5\right)\cdot\left(34+4\cdot\left(3-9\right)\right)\cdot\left(19-5\cdot3\right)\cdot\left(54-6\cdot\left(19-5\cdot2\right)\right)$

$12b-15>21$

$\int\sqrt{x}\left(1+\sqrt{x}\right)^2dx$