The difference between 74 and 49 is: 
The difference between 71 and 40 is: 
The difference between 79 and 49 is: 
The difference between 74 and 43 is: 
The difference between 54 and 49 is: 
The difference between 74 and 69 is: 
The difference between 77 and 42 is: 
The difference between 74 and 49 is: 