The difference between 75 and 68 is: 
The difference between 93 and 31 is: 
The difference between 79 and 68 is: 
The difference between 75 and 64 is: 
The difference between 95 and 68 is: 
The difference between 75 and 48 is: 
The difference between 78 and 61 is: 
The difference between 75 and 68 is: 