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<html>
<head>
<meta charset="utf-8">
<title>九九乘法表</title>
</head>
<body>
<div id="cf"></div>
<script>
function test() {
var str = "";
for(var x = 1; x <= 9; x++) {
for(var y = 1; y <= x; y++) {
str += y + "x" + x + "=" + y * x + " ";
if(y == x) {
str += "<br>";
}
}
}
document.getElementById("cf").innerHTML = str;
}
test();
</script>
</body>
</html><!DOCTYPE html>
<html>
<head
阅读背景：
每日一练 之 九九乘法表
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