Tạo chương trình như sau:

Var a:array[1..1000] of integer;

i,x:integer;

s:longint;

Begin

Write('x = ');readln(x);

For i:=1 to x do

Begin

Write('Nhap phan tu thu ',i);readln(a[i]);

if a[i] mod 2 = 0 then s:=s+a[i];

End;

writeln('Tong cac so chia het cho 2 la ',s);

write('Cac so vua nhap la ');

for i:=1 to x do write(a[i]:5);

Readln

End.

uses crt;

var n,i,t1,t2:integer;

begin

clrscr;

t1:=0;

t2:=0;

repeat

readln(n);

if n mod 2=0 then t1:=t1+n

else t2:=t2+n;

until n=0;

writeln(t1,' ',t2);

readln;

end.

program bai1;

uses crt;

var a,b,c,s: real;

begin

clrscr;

write('nhap so thu nhat ='); readln(a);

write('nhap so thu hai ='); readln(b);

write('nhap so thu ba ='); readln(c);

s:=a+b+c;

writeln('tong ba so a,b,c =',s:4:2);

readln;

end.

program bai1;

uses crt;

var n: integer;

begin

clrscr;

write('nhap so n ='); readln(n);

if n mod 2 = 0 then

writeln('la so chan ') else

writeln('la so le ');

readln;

end.

???

???

Cách khác(Dùng bằng C++)

#include <bits/stdc++.h>

using namespace std;

double a,b;

int main()

{

cin>>a>>b;

cout<<"Tong la:"<<fixed<<setprecision(2)<<a+b<<endl;

cout<<"Tich la:"<<fixed<<setprecision(2)<<a*b;

return 0;

}

#include <bits/stdc++.h>

using namespace std;

int main()

{

cout<<19/5<<endl;

cout<<19%5;

return 0;

}

Program tinhtoan;

Var a,b,c,d : integer;

Begin

Write(‘Nhap hai so a,b :’);

Readln (a,b);

c:=a div b;

d:=a mod b;

Writeln(‘ Phan nguyen cua a va b la :’,c);

Writeln(‘ Phan du cua a va b la :’,d);

Readln;

End.