$\left(5a^3b-6a^2b^5\right)^2$
$\left(r-2s\right)^3$
$cp^{2}k^{3}+8d\cdot\left(p^{2}k^{3}-8\right)$
$\lim_{x\to\pi}\left(\frac{\text{sen}\left(\pi-x\right)}{\pi-x}\right)$
$x^3\cdot x^8$
$x^2-6x-40<0$
$3m\:+\:n\:-\:4m\:+\:n\:+\:m\:-\:2n$
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