$\lim_{x\to\pi}\left(\cos\left(\frac{x}{2}\right)\cot\left(4x\right)\right)$
$5^5\cdot2^4\cdot2$
$\frac{3y^2+13y-32}{y+6}$
$\int x^2\cdot e^{-yx}dx$
$5\left(2\right)+11$
$8x^{18}+729$
$\left(\frac{2x}{3}-\frac{y}{2}\right)^2$
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