$+64=100$
$\int\left(\frac{\left(cos\:y\right)}{y}\right)dy$
$i^{\left(9\right)}\left(1+i^{\left(2\right)}\right)$
$5a-20b$
$9p^2-12p+4$
$\frac { 4 } { x ^ { 3 } ( x ^ { 2 } + 3 ) }$
$2r\left(2r^4+5\right)$
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