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Oct 21st, 2014
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  1. program pole_prostokata;
  2.  
  3. Var a,b,wynik: Real;
  4.  
  5. begin
  6. Write('Wpisz dlugosc prostokata: ');
  7. Readln(a);
  8. if (a=0) AND (a<0) then begin;
  9. Write('Nie mozna wykonac obliczen');
  10. Readln();
  11. end else if (a>0) then begin;
  12. Write('Wpisz szerokosc prostokata: ');
  13. Readln(b);
  14. end else if (b=0) AND (b<0) then begin;
  15. Write('Nie mozna wykonac obliczen');
  16. Readln();
  17. end else if (b>0) then begin;
  18. Write('Wynik: ');
  19. wynik:=a*b;
  20. Readln(wynik);
  21. end;
  22. end.
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