Q: How much is 24 minus 13? A: 
Q: How much is 79 minus 60? A: 
Q: How much is 26 minus 13? A: 
Q: How much is 24 minus 13? A: 
Q: How much is 44 minus 13? A: 
Q: How much is 24 minus 13? A: 
Q: How much is 30 minus 19? A: 
Q: How much is 24 minus 13? A: 