Q: How much is 69 minus 41? A: 
Q: How much is 99 minus 90? A: 
Q: How much is 68 minus 41? A: 
Q: How much is 69 minus 43? A: 
Q: How much is 99 minus 41? A: 
Q: How much is 69 minus 11? A: 
Q: How much is 77 minus 49? A: 
Q: How much is 69 minus 41? A: 