Q: What is 61 minus 22? A: 
Q: What is 63 minus 17? A: 
Q: What is 69 minus 22? A: 
Q: What is 61 minus 20? A: 
Q: What is 81 minus 22? A: 
Q: What is 61 minus 42? A: 
Q: What is 69 minus 20? A: 
Q: What is 61 minus 22? A: 