$\int b^2e^{-12b}db$
$\frac{260}{130}$
$\left(4x-y\right)\cdot\left(16x^2+4y+y^2\right)-\left(y+4x\right)^3$
$17ab-3ab+5ab+3x+a$
$-2u\left(3u^2-3u-1\right)$
$1-x<3$
$\frac{2x^2+5}{x-29}$
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