1. program pr1; uses crt; var n,k,i,t:integer; begin clrscr; write('Введите целое число n='); readln (n); for i:=2 to n do begin t:=0; for k:=2 to n do if i mod k=0 then t:=t+1; if t=1 then write(i:3); end; readln; end.
2.
Program pr2; Var a, b: Integer;
Function NOD(a, b: Integer): Integer; Var tmp, r: Integer; Begin If b > a Then Begin tmp := a; a := b; b := tmp; End; tmp := a; While tmp > 0 Do Begin Result := tmp; tmp := tmp - b; End; End;
Program square;
Var a, b: integer;
Begin
Readln(a);
B := a mod 10 + a div 10;
B := power(b,2);
Writeln(b);
End.