Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

refer
uses crt;
var i,n:longint;
a:array[1..100] of real;
s1,s,max,min:real;
begin
clrscr;
write('Nhap n: '); readln(n);
for i:=1 to n do
begin
write('Diem trung binh mon tin hoc cua ban thu ',i,' la: ');readln(a[i]);
end;
min:=a[1];max:=a[1];
for i:=2 to n do begin
if a[i]>max then max:=a[i];
if a[i]<min then min:=a[i]; end;
for i:=1 to n do
s:=s+a[i];
s1:=s/n;
writeln('So diem cao nhat la: ',max);
writeln('So diem thap nhat la: ',min);
write('Diem TB cua ca lop la: ',s1:0:1);
readln

uses crt;
var a:array[1..100]of real;
i,n:integer;
ln:real;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
for i:=1 to n do writeln(a[i]);
ln:=a[1];
for i:=1 to n do if ln<a[i] then ln:=a[i];
writeln(ln);
readln;
end.

Uses CRT;
Var TB : real;
BEGIN
clrscr;
repeat
begin
write('Moi ban nhap diem trung binh: ');
Readln(TB);
end;
until (TB>0) and (TB<10);
If (TB >= 8) then write('hoc luc gioi') else
If (TB>=6.5) then write('hoc luc kha') else
If (TB>5) then write('hoc luc trung binh') else
If (TB>3.5) then write('hoc luc yeu') else
write('hoc luc kem');
Readln;
END.

program TimDiemCaoNhat;
var
diem: array[1..30] of integer;
i, diemCaoNhat, soThuTu: integer;
begin
for i := 1 to 30 do
begin
write('Nhap diem cua ban thu ', i, ': ');
readln(diem[i]);
end;
diemCaoNhat := diem[1];
soThuTu := 1;
for i := 2 to 30 do
begin
if diem[i] > diemCaoNhat then
begin
diemCaoNhat := diem[i];
soThuTu := i;
end;
end;
writeln('Diem cao nhat la: ', diemCaoNhat);
writeln('Ban thu ', soThuTu, ' dat diem cao nhat.');
readln;
end.

program tinhoc;
uses crt;
var n,i,max,min:integer;
a:array[1..1000] of integer;
begin
clrscr;
writeln('Nhap so hoc sinh cua lop: ');readln(n);
for i:= 1 to n do begin
write('Diem trung binh toan cua em hs thu ',i,' : ');readln(a[i]) end;
max:=a[1]; min:=a[1];
for i:=1 to n do begin if max<a[i] then max:=a[i]; if min>a[i] then min:=a[i] end;
writeln('Diem trung binh cao nhat : ',max);
writeln('Diem trung binh thap nhat : ',min);
readln
end.

Nếu chưa học câu lệnh này thì rep lại cho mình để mình dùng mấy câu lệnh đã học từ b8 trở về trước nhá! Good luck for you :D
uses crt;
var i,n:longint;
a:array[1..100] of real;
s1,s,max,min:real;
begin
clrscr;
write('Nhap n: '); readln(n);
for i:=1 to n do
begin
write('Diem trung binh mon tin hoc cua ban thu ',i,' la: ');readln(a[i]);
end;
min:=a[1];max:=a[1];
for i:=2 to n do begin
if a[i]>max then max:=a[i];
if a[i]<min then min:=a[i]; end;
for i:=1 to n do
s:=s+a[i];
s1:=s/n;
writeln('So diem cao nhat la: ',max);
writeln('So diem thap nhat la: ',min);
write('Diem TB cua ca lop la: ',s1:0:1);
readln
end.