$2x-8>3x+2$
$\lim_{x\to0}\:\frac{\left(e^x-1-7x\right)}{x^2}$
$-0.7640+0.9627\cdot\log100$
$\int\frac{\log\left(x\right)a}{x^{a+1}}dx$
$\lim_{x\to0}\left(\frac{\cos6x-\cos2x}{-\tan2x\sin4x}\right)$
$x^2+3x-18\le0$
$\frac{x^{2n+2}}{2n+3}$
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