$-2\:+\:44\:+\:1$
$\int t\cdot in\left(t+1\right)$
$\int\frac{4x^4-18x^2+6}{2x^3-3x}dx$
$w^3-81$
$\left(xy^{2}-1\right)dx+\left(x^{2}y-1\right)dy=0$
$-43x\::\:x$
$-8-7b+9b$
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