$\left(7y^3-8\right)^2$
$3\:sen^2x=1$
$4\cdot\pi\cdot2^3$
$\log\left(4x+1\right)=\log\left(2x+5\right)$
$1^3$
$\tan^2a-2\tan a$
$56\cdot48$
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