The difference between 67 and 50 is: 
The difference between 97 and 45 is: 
The difference between 61 and 50 is: 
The difference between 67 and 51 is: 
The difference between 87 and 50 is: 
The difference between 67 and 10 is: 
The difference between 73 and 56 is: 
The difference between 67 and 50 is: 