The difference between 67 and 45 is: 
The difference between 69 and 24 is: 
The difference between 69 and 45 is: 
The difference between 67 and 42 is: 
The difference between 87 and 45 is: 
The difference between 67 and 55 is: 
The difference between 71 and 49 is: 
The difference between 67 and 45 is: 