$1\sqrt[5]{1}$
$x-7>2x-5$
$350-125+80$
$17-\left(-17\right)$
$\left(7x^2+9x-3\right)^3$
$\sin^2\left(\pi\:x\right)=\frac{1-\cos\left(2\pi\:x\right)}{2}$
$\lim_{x\to\infty}\left(\frac{lnx}{7x}\right)$
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