$pq=qp$
$1=\sin^2\left(b\right)+\cos^2\left(b\right)$
$-5+a=-3$
$6\left(3x-2\right)+4x$
$2\left(-y-4z\right)-5\left(6z-6y\right)$
$5.101001000100001^3$
$\int4sen\left(3x\right)cos\left(3x\right)dx$
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