<head>
<script type="text/javascript">
function myFunction(amount)
{
a=200;
b=amount;
c=a+b;
document.getElementById("demo").innerHTML=a;
document.getElementById("demo1").innerHTML=b;
document.getElementById("demo2").innerHTML=c;
}
</script>
</head>
<body>
<head>
<script type="text/javascript">
function
阅读背景：
获取级联单选按钮值的值
来源：互联网
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