1.

#include <bits/stdc++.h>

using namespace std;

int main ()
{

    long long a, b;

    cin >> a >> b;

    if (a > b) cout << a;

    else cout << b;

    return 0;

}

2.

#include <bits/stdc++.h>
using namespace std;
int main() {
    srand(time(0));
    int n1 = rand() % 10;
    int n2 = rand() % 10;
    int dung = n1 + n2;
    int ndung;
    cout << "Bao nhieu la "<< n1 << " + " << n2 << "? ";
    cin >> ndung;
    if (ndung == dung) cout << "Chuc mung\n";
    else cout << "Cau tra loi dung la " << dung << ".\n";
    return 0;
}

3.

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int diem;
    cin >> diem;
    if (diem >= 5) cout << "dat\n";
    else cout << "truot\n";
    return 0;
}

# 1
a,b = map(int,input('Nhap 2 so: ').split())
print(f'So lon hon la: {max(a,b)}')

# 2
from random import randint,choice

a,b = randint(1,101),randint(1,101)
p = choice(['+','-','*','/'])
s = eval(str(a)+p+str(b))

ans = input(f'{a} {p} {b} = ')

if round(float(ans))==round(s):
    print('Chuc mung, ban da dung')
else:
    print(f'Ban da sai, {a} {p} {b} = {s}')
    
    
# 3
point = int(input('Nhap diem: '))
if point>=5:
    print('dat')
else:
    print('truot')