$\int\frac{\sin\left(e\right)}{\cos^2\left(e\right)}de$
$\frac{dy}{dx}x=\frac{2}{1+v^2}y=\frac{2}{v+\left(1+v^2\right)}$
$2q\:2\:-8q\:=\:40$
$-120=-8\left(2r+1\right)$
$\pi\frac{5}{6}^2\cdot\frac{16}{5}$
$3x+y=22$
$49x^2+98xy+49y^4$
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