$#QLinkVN$

Python:

s=0
for i in range (1,11):
    if (i%2==0): s+=i
print('tong chan 10 so tu nhien dau tien:',s)

C++:

#include <iostream>
using namespace std;
int main()
{
    long s=0;
    for (long i=1; i<=10; i++) if (i%2==0) s+=i;
    cout << "tong chan 10 so tu nhien dau tien: " << s;
}

Java:

public class Main
{
    public static void main(String[] args)
    {
        int s=0;
        for (int i=1; i<=10; i++) if (i%2==0) s+=i;
        System.out.printf("tong chan 10 so tu nhien dau tien: %d",s);
    }
}

C#:

using static System.Console;
class Daoanhviet96
{
    static void Main(string[] args)
    {
        long s=0;
        for (long i=1; i<=10; i++) if (i%2==0) s+=i;
        Write("tong chan 10 so tu nhien dau tien la: {0}",s);
    }
}

$\color{red}{\text{#Daoanhviet96}}$