[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
•20300100020
Page 1 of 1

20300100020

Posted: Wed Mar 14, 2018 9:32 pm
by ada
$4x^2+20x+21=0$