The difference between 75 and 29 is: 
The difference between 58 and 21 is: 
The difference between 79 and 29 is: 
The difference between 75 and 20 is: 
The difference between 65 and 29 is: 
The difference between 75 and 49 is: 
The difference between 78 and 22 is: 
The difference between 75 and 29 is: 