[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
•20280060010
Page 1 of 1

20280060010

Posted: Mon Mar 05, 2018 8:17 pm
by ada
$x^2+10x+21=0$