$504+362$
$x=x+5$
$-x^2-4x-5$
$\lim_{x\to-2}\left(\frac{x^2-4}{x}\right)$
$1+4-3+6-7+4$
$x^4\cdot x^{-8}$
$\int_0^{\pi}\left(\cos\left(x\right)-\pi\right)dx$
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