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- <html>
- <body>
- <form action="processamento.php" method="post">
- Numero 1 <input type="text" name="n1"><br>
- Numero 2 <input type="text" name="n2"><br>
- <input name="operacao" type="submit" value="+">
- <input name="operacao" type="submit" value="-">
- </form>
- </body>
- </html>
- <html>
- <body>
- <?php
- function somar($a,$b) {
- return $a+$b;
- }
- function sub($a,$b) {
- return $a-$b;
- }
- $v1 = $_POST["n1"];
- $v2 = $_POST["n2"];
- $operacao = $_POST["operacao"];
- $soma = $v1 + $v2;
- if($operacao == "+"){
- $soma = somar($v1, $v2);
- echo $v1." ".$operacao." ".$v2." = ".$soma;
- }
- if($operacao == "-"){
- $resultado = sub($v1,$v2);
- echo $v1." ".$operacao." ".$v2." = ".$resultado;
- }
- ?>
- </body>
- </html>
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