$2\cos\left(4\pi x-5\right)$
$\frac{x-3}{x+1}>2$
$\left(x-\frac{2}{5}\right)^2$
$784.196-8.208$
$\frac{\left(4x+7\right)}{5x+8}=\frac{\left(11\right)}{14}$
$80^2-0.000625^2$
$\left(4x-3y^2\right)^2$
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