劉凱平

1. #include <iostream>
   
2. #include <cstdlib>
   
3. using namespace std;
   
4. 
   
5. int main()
   
6. {
   
7.    
   
8.     int a = 0;
   
9.     cin >> a;
   
10.     cout << "您輸入的數字是: "<< a << endl;
    
11.       
    
12.     system("pause");
    
13.     return 0;
    
14. }

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劉凱平

1. #include <iostream>
   
2. using namespace std;
   
3. int main()
   
4. {
   
5.     int x =21;
   
6.     int y =5;
   
7.    
   
8.     cout<<"當 x = " <<x<< ",y = "<<"時:"<< endl;
   
9.     cout << " x + y ="<< x+y <<endl;
   
10.     cout << " x - y ="<< x-y <<endl;
    
11.     cout << " x * y ="<< x*y <<endl;
    
12.     cout << " x / y ="<< x/y <<endl;
    
13.     cout << " x % y ="<< x%y <<endl;
    
14.     system("pause");
    
15.     return 0;
    
16. }

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