123456/V5 PT 2324/x112/A4.php

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>A4</title> </head> <body> <?php for($i = 20; $i >= 1; $i = $i - 2) { echo $i * $i . "<br>"; } ?> </body> </html>

Resultaat

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