[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
•20280030060
Page 1 of 1

20280030060

Posted: Mon Mar 05, 2018 8:04 pm
by ada
$x^2-20x+100=0$