[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
•50010050040
Page 1 of 1

50010050040

Posted: Sun Aug 06, 2017 8:29 pm
by ada
$y=-2x^{-3}$