Listing: 1 MODULE ConstVar; 2 CONST Max = 100; Pi = 314; 3 VAR x, y : INTEGER; r : REAL; flag : BOOLEAN; 4 BEGIN 5 x := 1 + 2 * 3 - 4 DIV 2; 6 y := (x + Max) * 2; 7 r := 3.14; 8 flag := (x < y) AND (x # 0) 9 END ConstVar. 0 errors