1
program bai_1;
uses crt;
begin
clrscr
write('*');
write('***');
write('*****');
write('*******');
write('*********');
write('***********');
write('*************');
readln;
end.
2
program bai_2;
uses crt;
begin
clrscr;
write('************');
write('*              *');
write('*              *');
write('*              *');
write('************');
readln;
end.