= "CÃ BAO NHIªU LÇN LÆP
84) = "Cã bao nhiªu lÇn lÆp: " "begin " " Randomize; " " repeat " " Writeln (Random(1000)); " " until KeyPressed; " (84, 1) = " kh«ng biÕt ®îc “* (84, 2) = “*000 lÇn" (84, 3) = “* lÇn" (84, 4) = "0 lÇn " '---