2个整数相加的和
//2个整数相加的和
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<?php
$ab='1';
$bc='2';
$dd=$ab+$bc;
echo $dd;
?>
//2个整数相加的和
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<?php
$ab='1';
$bc='2';
$dd=$ab+$bc;
echo $dd;
?>
