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<html>
<meta charset="UTF-8">
<head>
<title>期末2</title>
</head>
<body>
<script>
var balls = new Array(10);
var i=0,j=0,k=0;
for(i=0;i<10;i++)
{
balls[i]=i+1;
}
for(i=1;i<=1000;i++)
{
j=Math.floor(Math.random()*9);
k=Math.floor(Math.random()*9);
balls[10]=balls[j];
balls[j]=balls[k];
balls[k]=balls[10];
}
document.write(balls[0]+","+balls[1]+","+balls[2]);
</script>
</body>
</html>
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