The difference between 56 and 23 is: 
The difference between 74 and 34 is: 
The difference between 54 and 23 is: 
The difference between 56 and 22 is: 
The difference between 36 and 23 is: 
The difference between 56 and 23 is: 
The difference between 62 and 29 is: 
The difference between 56 and 23 is: 