[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/session.php on line 580: sizeof(): Parameter must be an array or an object that implements Countable
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/session.php on line 636: sizeof(): Parameter must be an array or an object that implements Countable
•20220080030
Page 1 of 1

20220080030

Posted: Thu Jan 18, 2018 3:00 pm
by ada
$\frac{x^3-y^3}{6x-6y}$