Zadania na start -
Fatal error: Uncaught Error: Undefined constant "grupa" in /home/public/vhosts/kolo-inf/www/zadanki.php:7
Stack trace:
#0 /home/public/vhosts/kolo-inf/www/index.php(41): include()
#1 {main}
thrown in /home/public/vhosts/kolo-inf/www/zadanki.php on line 7