$1t\:+\:1s\:+\:1g$
$67\:-\:\left(-43\right)$
$\lim_{x\to4}\sqrt{4-2x+x^2}-2$
$\int\frac{\tan\left(x\right)}{\tan\left(x\right)+\cot\left(x\right)}dx$
$\left(m^{-2}\right)^{-6}\cdot m^{-4}$
$\left(7x+y\right)^3$
$x^5+x^5$
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