alavrov

P_01_1.pas

Mar 23rd, 2017
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Pascal 0.16 KB | None | 0 0
  1. const pi = 3.14159;
  2.  
  3. var R : integer;
  4.  
  5. begin
  6. write('Введите радиус: ');
  7. readln(R);
  8.  
  9. writeln('Длина круга = ', 2 * pi * R);
  10. end.
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