$\int_0^1\frac{1}{x^2+a^2}dx$
$5x-3\left(x-4\right)=60$
$457.03+560.8+48.37$
$\sqrt{x-12=1}$
$\left(\frac{x^{-2}y^4\cdot2y^3}{\left(2y^3\right)^{-1}}\right)^3$
$\left(\frac{2m^3n\:}{3x^4}\right)^6$
$\cos4\frac{x}{2}$
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