[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
•20190090050
Page 1 of 1

20190090050

Posted: Thu Jan 11, 2018 4:35 pm
by ada
$16x^2-(10x-3)^2$