$\left(3-\frac{x}{2}\right)^2$
$-6\cdot4+7$
$\frac{\cos\left(x\right)}{-2\sin\left(2x\right)}$
$\left(2x^{10}+3\right)^2$
$\lim_{x\to0}\left(1+\frac{2}{x^5}\right)x$
$\left(3m-2b\right)^3$
$\frac{20}{12w^{-4}}$
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