$\int\frac{e^x}{400-e^{2x}}dx$
$\int\:5\cos\left(3t-\frac{\pi}{4}\right)\:dx$
$\lim_{x\to0}\left(\frac{\ln\left(x\right)-x+x^2}{\left(1-x\right)\cdot\ln\left(x\right)}\right)$
$\:\left(36\right)\:.\:\left(25\right)\:=\:\:\:\:\:\:\:\:\:\:\:\:\:\:$
$4x-2>8x-2$
$5b+ba-9a-65b+ba-9a-6$
$31-9x=11+11x$
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