The difference between 29 and 12 is: 
The difference between 93 and 73 is: 
The difference between 26 and 12 is: 
The difference between 29 and 18 is: 
The difference between 49 and 12 is: 
The difference between 29 and 12 is: 
The difference between 32 and 15 is: 
The difference between 29 and 12 is: 