$2\left(x-\frac{1}{2}\right)\le4x-3+\frac{x}{2}$
$\left(x^n-2y^n\right)^2$
$\left(1+9\:z^2\right)^3$
$\lim_{x\to\infty}\left(1+\frac{3}{x}\right)$
$\frac{1}{2}a+\frac{1}{4}a+\frac{1}{8}a$
$-\left(71g+94v+34\right)$
$5sin\left(95^{\circ}\:\right)cos\left(140^{\circ}\right)$
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