【技术】数学求和

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<head>
<meta charset="UTF-8">
<title>test5</title>
<script src="js/jquery-1.11.1.min.js"></script>
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<body>
<script>
function fanda(n1,n2){
console.log(n1+'+'+n2+'的和是'+ Number(n1+n2));
}
fanda(67,917);
</script>
</body>
</html>

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