php 9x9乘法表

";
}
echo "
";


/***while循环乘法表***/
$i = 1;
while ($i <= 9) {
    $j = 1;
    while ($j <= $i) {
        echo "$i X $j  = " . ($i * $j);
        echo "   ";
        $j++;
    }
    echo "
";
    $i++;
}
echo "
";


/***do-while循环9*9乘法表***/
$i = 1;
do {
    $j = 1;
    do {
        echo "$i X $j  = " . ($i * $j);
        echo "   ";
        $j++;
    } while ($j <= $i);
    echo "
";
    $i++;
} while ($i <= 9);
?>

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