An in-line equations $\beta = .3$ a strange eq $3\$$.
A non in-line equation $ 4 $. Dollar sign \$strange\$. Last dollar sign \$.
An equation block $$ y \sim x + \epsilon $$ Indented equation block
$$ \sqrt{2} $$
Multiple lines equation block
$$ y \sim x + \epsilon\ \sqrt{2} $$
Another equation block $$ \sqrt{2} text $$
Another equation block
$$ \log3 $$
Non equation blocks
$$
some strange text $$
Non equation blocks
$$ some strange text
$$
Non equation blocks
$$
some strange text
$$
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