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![](https://rs.olm.vn/images/avt/0.png?1311)
var a,b:byte;
begin
write('nhap a,b:');readln(a,b);
write('a+b chia 7 duoc ',(a+b) div 7,' va du ',(a+b) mod 7);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
1.
program tinhtong;
uses crt;
var s,i,n:integer;
begin
s:=0;
for i:=1 to 10 do s:=s+1;
writeln ('tong cua s=',s);
readln
end.
2.
program tinhtong;
uses crt;
var i,L,s:integer;
begin
write('nhap gia tri L='); readln(L);
s:=0;
for i:=1 to L do s:=s+1;
writeln('tong cua s=',s);
readln
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
program andanh;
uses crt;
var i,n,tong,a:integer;
begin
clrscr; tong:= 0;
repeat
write('Nhap so cac so: ');readln(n);
if n > 10 then
begin
write('Nhap so be hon 10. Hay nhap lai');
delay(2000);
clrscr;
end;
until n <= 10;
for i:= 1 to n do
begin
write('Nhap so thu ',i,': ');
readln(a);
tong:= tong + a;
end;
write('Trung binh cong cua cac so tren la: ',tong/n:2:2);
readln
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var i,n,t:integer;
begin
clrscr;
readln(n);
t:=0;
for i:=1 to n do t:=t+i;
writeln(t);
readln;
end.
Program tinh_tong;
Var i,n,s:integer;
Begin
S:=0;
Write('nhap n =');readln(n);
For i:= 1 to n do s:= s+i;
Write('tong',n,'so tu nhien dau tien = ',s);
Readln
End.
minh khong biet co dung khong nhung co gang lam bai that tot nhe chuc ban may man