program TrungBinhCong;
const
MAX = 100;
var
danhSach: array[1..MAX] of integer;
n, i, tong: integer;
trungbinh: real;
begin
write('Nhap so ptu (toi da 100): ');
readln(n);
tong := 0;
for i := 1 to n do
begin
write('Nhap giatri ptu thu ', i, ': ');
readln(danhsach[i]);
tong := tong + danhsach[i];
end;
trungbinh := tong / n;
writeln('Tbc cua danh sach la: ', trungbinh:0:2);
readln;
end.
Var a:array[1..100] of integer;
i,n:integer;
s:longint;
tbc:real;
Begin
Repeat
Write('n = ');readln(n);
Until (n>0) and (n<=100);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i);readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln
End.