Bài 1:
program bai1;
uses crt;
var T,V,A,Tb:real;
begin clrscr;
write('Nhap diem ba mon Toan, Van, Anh '); readln(T,V,A);
Tb:=(T+V+A)/3;
writeln('Diem Tb ba mon do la: ',Tb);
if 9<=Tb and Tb<=10 then writeln('Gioi');
if 7<=Tb and Tb<=8 then writeln('Kha');
if 5<=Tb and Tb<7 then writeln('Trung binh');
if Tb<5 then writeln('Khong dat');
readln;
end.
Bài 2:
program bai2;
uses crt;
var i,N:integer;
begin clrscr;
writeln('Nhap so N'); readln(N);
writeln('Cac so le tu 1 den ',n,' la: ');
for i:=1 to N do
if i mod 2<>0 then write(i);
readln;
end.
Bài 3:
program bai3;
uses crt;
var i,N:integer;
begin clrscr;
i:=0; N:=1;
while 1/N < 0.01 do
N:=N+i; i:=i+1;
write('N nho nhat de 1/N<0.01 la: ',N);
readln;
end.
Học tốt!