$2x<-6$
$\arctan\left(\frac{4.1273}{-0.1449}\right)$
$\sqrt{\frac{x\left(x-2\right)}{x^2+1}}$
$a+a+2a$
$5x\:+\:1\:<\:6$
$\frac{m^2+9m+18}{m-5}\cdot\frac{5m-25}{5m+15}$
$\left[\left(y+3\right)-\left(x+8\right)\right]^2$
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