program mang;
uses crt;
var
N, i: integer;
a: array[1..100] of integer;
sum, average: double;
begin
clrscr;
write('Nhap so phan tu mang: ');
readln(N);
sum := 0;
for i:= 1 to N do
begin
write('Nhap phan tu thu ', i, ': ');
readln(a[i]);
sum := sum + a[i];
end;
writeln('Cac phan tu cua mang la:');
for i:= 1 to N do
write(a[i], ' ');
average := sum / N;
writeln('Tong cac phan tu cua mang la: ', sum:0:2);
writeln('Trung binh cong cua mang la: ', average:0:2);
readln;
end.