$-2-\left(1+\left(-4\right)\right)$
$\sqrt{2}+\sqrt{32}$
$-3\frac{1}{4}\:x\:-2\frac{3}{5}$
$15\cdot35$
$dx=\frac{1+x^2}{1+y}dy$
$\frac{24q^{-20}}{52q^{17}}$
$\left(2w-7\right)\left(2w-7\right)$
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