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<html lang="en">
<head>
<meta charset="UTF-8">
<title>九九乘法表</title>
</head>
<body>
<script>
for(var i=1; i<=9; i++){
for(var j=1; j<=i; j++){
sum=i*j;
document.write(i+'x'+j+'='+sum+' ');
}document.write('<br/>');
}
</script>
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