$\int\:\frac{x}{-\left(x^2+x+1\right)}dx$
$\frac{9}{2}+\frac{35}{10}$
$\left(4y^2+3v\right)^3$
$-286\:-\:723\:+\:1342\:-\:1569\:+\:399$
$\cos\left(a\right)\left(cos\left(2a-sin^2a\right)\right)$
$\left|4-14\right|-\left|7\right|$
$x-4>-1$
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