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![](https://rs.olm.vn/images/avt/0.png?1311)
program timtich;
uses crt;
var i,n:integer;
tich:longint;
a:array[1..100]of integer;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
tich:=1;
writeln;
for i:=1 to n do
if a[i] mod 2=0 then tich:=tich*a[i];
writeln('tich ca phan tu chan cua mang la:',tich);
readln;
end.
program timtong;
uses crt;
var i,n:integer;
tong:longint;
a:array[1..100]of integer;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
tong:=0;
writeln;
for i:=1 to n do
if a[i] mod 2=0 then tong:=tong+a[i];
writeln('tong cac phan tu chan cua mang la:',tong);
tong:=0;
writeln;
for i:=1 to n do
if a[i] mod 2=1 then tong:=tong+a[i];
writeln('tong cac phan tu le cua mang la:',tong);
readln;
end.
Bài 1:
uses crt;
var a:array[1..100]of integer;
i,n,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
s:=1;
for i:=1 to n do
if a[i] mod 2=0 then s:=s*a[i];
writeln(s);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a+b<<endl;
cout<<a-b;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var a,b:integer;
begin
clrscr;
readln(a,b);
writeln('Tong hai so la: ',a+b);
writeln('Tong binh phuong hai so la: ',sqr(a)+sqr(b));
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
c1:
#include <bits/stdc++.h>
using namespace std;
long long i,n,s;
int main()
{
cin>>n;
s=1;
for (i=1; i<=n; i++) s=s*i;
cout<<s;
return 0;
}
Câu 2:
#include <bits/stdc++.h>
using namespace std;
long long i,n,s;
int main()
{
cin>>n;
s=1;
for (i=1; i<=n; i++) if (i%2==0) s=s*i;
cout<<s;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
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;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
2:
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a%b<<endl;
cout<<a/b;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
Câu 1:
uses crt;
var a:array[1..200]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then t:=t+a[i];
writeln(t);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài 3:
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a%b;
cout<<a/b;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a,b,s,p;
int main()
{
cin>>a>>b;
s=a+b;
p=a*b;
cout<<"Tong la:"<<s<<endl;
cout<<"Tich la:"<<p;
return 0;
}