$1.2+0.27$
$-5y\le5$
$f^2+3f+1$
$sin\left(2\left(\frac{3\sqrt{10}}{10}\right)\right)$
$\left(a^2-3\right)\left(a+5\right)$
$\int\left(\frac{3}{\sqrt{1-4x^2}}\right)dx$
$cos^2x\:\left(tan^2\:x\:+\:1\right)$
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