$-346-270$
$\cos\left(\pi-\frac{4}{5}\right)$
$\frac{30.888}{15600}$
$s^2+40s+16$
$4q-5q+10q+9$
$10.791+2715$
$\left(a-b\right)\left(a^2-ab-b^2\right)$
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