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Sep 19th, 2019
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  1. program laba2_1;
  2. uses
  3. System.SysUtils;
  4. var
  5. isCorrect: Boolean;
  6. s: extended;
  7. intVar : integer;
  8. begin
  9. isCorrect := false;
  10. repeat
  11. writeln('Введите натуральное число');
  12. try
  13. readln(intVar);
  14. isCorrect := true;
  15. except
  16. writeln('Введены некоректные данные! Повторите!');
  17. isCorrect:=false;
  18. end;
  19. until isCorrect;
  20. if (intVar > 0 ) then
  21. begin
  22. s:= exp(intVar*ln(2));
  23. writeln(' Итог ', s:7:3 ,'')
  24. end
  25. else
  26. writeln('Введено не натуральное число');
  27. readln;
  28. end.
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