$\frac{dy}{dx}+\frac{2xy}{x^2+1}=\frac{1}{x^2+1}$
$\sqrt[2]{0.64}+\sqrt[3]{0.001}$
$\left(m^2-m+2\right)\left(m+2\right)$
$0^{37}$
$4\cdot512-9$
$3\left(x-2\right)\ge4x-4$
$3x^3y+6x^2y^2-9xy^3$
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