$x^2=77$
$\arcsin\left(\sin\left(3\pi\right)\right)$
$7-4n\cdot6$
$-18c^6+30c^3-8$
$\int_a^{x^2}\left(sen^3\left(t\right)\right)dt$
$m^2-12m+100$
$4a-7b+a+2b+8a$
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