$\frac{1}{2^{30}}+1$
$169m^2\:+\:n^2\:-\:26mn$
$\left(3x+5\right)^3-\left(4x-2\right)^2$
$\int\frac{x^2+1}{x^3}dx$
$\int\sqrt{-x^2+49}dx$
$\int\left(x^2\:+\:1\right)\:sen\:x\:dx$
$\frac{dy}{dx}\left(xy+cos^2xy\right)$
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