$\lim_{x\to0}\left(\frac{\left(1+x\right)^5}{x}\right)$
$x^2+1\frac{1}{x^2}$
$\csc\left(c\right)-\cot\left(c\right)=\frac{\sin\left(c\right)}{1+\cos\left(c\right)}$
$\left(2e^{2x}\right)^2-\left(2e^{-2x}\right)^2$
$m^2+6m+36$
$12+4s=4\left(s+3\right)$
$19+0,84+7$
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