Bài 2:
program btmang;
uses crt;
var A:array[1..100] of integer;
n,i:byte;
k,t:integer;
begin
clrscr;
write('Nhap so k: '); readln(k);
write('Nhap so luong phan tu N: ); readln(n);
t:=0;
for i:=1 to n do
begin
write('A[',i,']= '); readln(A[i]);
if A[i] mod k=0 then t:=t+A[i];
end;
write('Tong cac so la boi cua ',k,' trong mang la: ',t);
readln;
end.