$\left(q^{-1}r^0s^{-5}\right)\left(q^{-6}r^{-1}s^{-2}\right)\left(q^0r^{-1}s^5\right)$
$\int\:\frac{x+3}{\sqrt{x}\sqrt{x+2}}dx$
$\frac{\csc^2\alpha}{\tan^2\alpha}$
$-1^3-1^2+3-1-1$
$a+b=\:9$
$8b+8-4b-3$
$\left(6t+8\right)^2$
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