Q: What is the result of 57 minus 49? A: 
Q: What is the result of 77 minus 68? A: 
Q: What is the result of 59 minus 49? A: 
Q: What is the result of 57 minus 41? A: 
Q: What is the result of 77 minus 49? A: 
Q: What is the result of 57 minus 49? A: 
Q: What is the result of 59 minus 41? A: 
Q: What is the result of 57 minus 49? A: 