$\left(10^9\right)\left(10^{-6}\right)\left(10^{-6}\right)$
$\lim_{x\to0}\left(\frac{\left(y+\sqrt{y^2+x^2}\right)}{\left(-y+\sqrt{y^2+x^2}\right)}\right)$
$0,5+3,4+8,33+78,92$
$w^2-100$
$\frac{2x}{x+3}\ge1$
$19.19^3$
$\:\frac{8x^3+1}{2x-1}\:$
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