$\int_{-2}^{-1}\left(\frac{1}{x-1}\right)dx$
$-3x\le-16$
$x^2+2x-7$
$\left(\frac{1}{2}x^3+\frac{7}{6}y^2\right)^2$
$3tan2x\:=\:1$
$\lim_{x\to\infty}\left(\frac{x^{11}}{ln\left(x\right)}\right)$
$2x^2yz-2y^22+2x^2y^2$
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