js变量乘法
<script>
var a = 3;
var b = 5;
var c = a * 5;
document.write(a * b);
document.write(c);
</script>
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js变量乘法
<script>
var a = 3;
var b = 5;
var c = a * 5;
document.write(a * b);
document.write(c);
</script>