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Dec 12th, 2017
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  1. $age = $_GET['age'];
  2. $i = 10;
  3. $d = 10;
  4. if($age <= 0) {
  5. echo "Число должно быть 0 или больше 0";
  6. } elseif($age >= 1) {
  7. while($d <= $age){
  8. $d += 2;
  9. $i += $d;
  10. echo $i;
  11. }
  12. }
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