如图注释，第二个代码多加了一个条件 为啥就不运行了 老师检查一下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
var a;b;c;
for (var a = 1; a <= 9; a++) {
for (var c = 0; c<=9; c++) {
for (var b = 0; b < 9; b++) {
if (a+b+c==a*b*c) {
console.log(a,b,c);
}
}
}
}
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
var a; b; c;
for (var a = 1; a <= 9; a++) {
// 加了c>1 运行不了了
for (var c = 0; c > 1 && c <= 9; c++) {
for (var b = 0; b < 9; b++) {
if (a + b + c == a * b * c) {
console.log(a, b, c);
}
}
}
}
</script>
</body>
</html>
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