$\frac{d^3}{dx^3}2x^{-2}$

$\left|2\right|^6\left|2\right|^4$

$\int\frac{27f^3-1}{\sqrt[3]{f}}df$

$2\cos\left(x\right)=\sin\left(2x\right)$

$\lim_{x\to\infty}\:\frac{x^3}{9}\cdot\left(\frac{10}{x}-sin\frac{10}{x}\right)$

$70=-7\left(-2-2z\right)$