"; for ($c=1;$c<=9;$c++){ echo ""; for ($d=$c;$d<=9;$d++){ echo ""; if($method==="+"){ echo $c."+".$d."=".($c+$d)."   "; }else if($method==="*"){ echo $c."กม".$d."=".($c*$d)."   "; } echo ""; } echo ""; echo ""; } echo ""; } ?>