$\int\left(\frac{r}{\sqrt{16-9r^4}}\right)dr$
$\left(x^2+1\right)\sin\left(2x\right)\cdot.5+\left(x\cos\left(x\right)-\sin\left(x\right)\right)$
$2x^2-5x+7=\:0$
$5^1\cdot5^2$
$\int\left(2xcos\left(x^3\right)\right)dx$
$8x^4y-12x^5y^2$
$ap+bp+aq+bq$
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