老师，帮忙看下

来源：2-10 编程练习

慕的地5368065

2021-05-04 18:51:27

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>算数运算</title>
</head>

<body>
    <script>
     var a=4,b=5;
     console.log(a+b);
     console.log(a-b);//代码补充
     console.log(a*b);//代码补充
     console.log(a/b);//代码补充
     console.log(a%b);//代码补充
    </script>
</body>

</html>