$x^2-a^3+72^2$

$\left(15-7\right)\left(9-4\right)$

$\left(m^{10}+10n^{12}\right)^2$

$\sin a\cdot\cos a\cdot\tan a=\sin^2\left(a\right)$

$\int18+\frac{1}{3}k\left(t^3-216\right)dt$

$\left(x+2y-5\right)dx+\left(2x+3y-1\right)dy=0$

$3^5+3^2+\sqrt[3]{-27.\left(-8\right)}-2$