<?php

function adicionar($a, $b){
    return $a + $b;
}

function subtrair($a, $b){
    return $a - $b;
}

function multiplicar($a, $b){
    return $a * $b;
}

function dividir($a, $b){
    return $a / $b;
}


?>


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    Autor: Daniel Oliveira
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    01/06/2023
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