$-1+-30$
$-sinx^2$
$\left(a^3-b^2\right)^2$
$\lim_{x\to0}\left(\frac{\sqrt{1+2x}-3}{\sqrt{x-2}\sqrt{2}}\right)$
$\left(3^9\right)^6$
$240+\left(-87\right)$
$4x^2+48y+12x=159$
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