$a^3+b^3=40$
$-4+2-8-3+3-5+4-10$
$-3h^2-90h-675$
$\left(-1-x\right)^2$
$x^2+y^2+z^2+2x-y-z+5=0$
$x3+1000$
$\lim_{x\to\infty}\:cos\left(\frac{2}{x}\right)$
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