Restklassenringe (Z)/mod 3/Operationstafeln

Der Restklassenkörper ${}\mathbb {Z} /(3)=\{0,1,2\}$ hat die folgenden Operationstafeln (Verknüpfungstabellen):

${}+$	${}0$	${}1$	${}2$
${}0$	${}0$	${}1$	${}2$
${}1$	${}1$	${}2$	${}0$
${}2$	${}2$	${}0$	${}1$

${}\cdot$	${}0$	${}1$	${}2$
${}0$	${}0$	${}0$	${}0$
${}1$	${}0$	${}1$	${}2$
${}2$	${}0$	${}2$	${}1$