Restklassenringe (Z)/mod 5/Additionstafel

${}+$	${}0$	${}1$	${}2$	${}3$	${}4$
${}0$	${}0$	${}1$	${}2$	${}3$	${}4$
${}1$	${}1$	${}2$	${}3$	${}4$	${}0$
${}2$	${}2$	${}3$	${}4$	${}0$	${}1$
${}3$	${}3$	${}4$	${}0$	${}1$	${}2$
${}4$	${}4$	${}0$	${}1$	${}2$	${}3$