!
!

 


>> 8 .

3.2.

,

3.2.3.

read:

read : Enter1. . , .

    1 Enter .

, , . . ( ) , .

.

    var i, j: integer; x: real; a: char;

i, j, x, 1, 0, 2,5 ''.

    read (i, j, x, a)

:

(, ), , .

readln. , readln , . , readln , , .

n_1, read. , , , , writeln:

    program n_2;
      const pi=3.14;
      var r, c, s: real;
    begin
      writeln(' ');
      write(' r>>');
      readln(r);
      c:=2*pi*r;
      s:=pi*r*r;
      writeln ('=', :6:4);
      writeln ('s=', s:6:4)

    end.

;

r. , , . , . .

 

 

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