Q: What is the result of 17 minus 15? A: 
Q: What is the result of 75 minus 68? A: 
Q: What is the result of 16 minus 15? A: 
Q: What is the result of 17 minus 11? A: 
Q: What is the result of 67 minus 15? A: 
Q: What is the result of 17 minus 15? A: 
Q: What is the result of 20 minus 18? A: 
Q: What is the result of 17 minus 15? A: 