Closed nixnehc closed 1 year ago
When I use $$ E = mc^2 $$ to show a display formula, it works.
$$ E = mc^2 $$
But when use $ E = mc^2$, it didn't work.
$ E = mc^2$
When I use
$$ E = mc^2 $$to show a display formula, it works.But when use
$ E = mc^2$, it didn't work.