$x^2-6x+7\le0$
$\frac{5x^{7}y^{2}}{5xy^{2}}$
$12a-b-7a$
$\sqrt{-\frac{16}{25}}+1$
$\int\left(\frac{\sqrt{1+y^2}}{1+y^2}\right)dy$
$\sqrt{198x^6}$
$\int_0^{10}\left(22\right)^{-1}e^{-\frac{x}{22}}dx$
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