$4\:+\left(-5\right)\:+\:2$
$\int x\:^{10}dx$
$a^2+2a+1$
$169-26x\:x^2$
$\frac{dy}{dx}=\frac{e^x}{1+e^x},\:y\left(0\right)=1$
$14-3m+2m-10-5m$
$\left(\frac{1}{2}x^3-3y^2\right)^2$
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