$dy+4x^3dy+12x^2\cdot y^4\cdot dx=0$

$49x^2-70xy+10^2$

$\frac{m^2n^0z}{m^{-3}n^{-2}}$

$\left(13-7a\right)+\left(13a+10\right)+\left(5a-2\right)+\left(-18a-6\right)$

$\left(\sqrt[3]{2-1}\right)\left(\sqrt[3]{2-1}\right)$

$\frac{d}{dx}x^3\sqrt{2+3x}$

$\frac{a^3}{a^{11}}$