Q: How much is 61 minus 29? A: 
Q: How much is 67 minus 25? A: 
Q: How much is 69 minus 29? A: 
Q: How much is 61 minus 20? A: 
Q: How much is 51 minus 29? A: 
Q: How much is 61 minus 49? A: 
Q: How much is 63 minus 21? A: 
Q: How much is 61 minus 29? A: 