不知哪错了？？会的同学帮忙看看
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Math </title>
<script type="text/javascript">
var i=Math.random()*10
var mm=document.write(i+"<br />");
document.write(Math.round(mm));
</script>
</head>
<body>
</body>
</html>
