$10j+8j+10j+7j$
$-\left\{5+\left[3-132:\left(-2\right)\right].7\right\}$
$\left(x-3\right)^3-x^3+27$
$\left(a^{-2}b^{-5}c^{-3}\right)^4$
$2\sec^2\left(y\right)\tan\left(y\right)$
$\frac{d^2}{dx^2}\left(xy+7e^y=7e\right)$
$\frac{dy}{dx}\left(x^2+4\right)=x$
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