$\frac{6}{x}-2\ge0$
$21\left(-6\right)$
$\frac{\frac{2}{3\:}-x^4+x^2-2}{x^2+1}$
$\frac{16.750}{12500}$
$\csc x-\sin x=\cos x-\sin x$
$\frac{4}{9}m^4-m^6$
$\left|-26\right|+\left|3.4\right|+\left|-3\right|$
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