Q: How much is 73 minus 52? A: 
Q: How much is 74 minus 58? A: 
Q: How much is 77 minus 52? A: 
Q: How much is 73 minus 50? A: 
Q: How much is 73 minus 52? A: 
Q: How much is 73 minus 42? A: 
Q: How much is 80 minus 59? A: 
Q: How much is 73 minus 52? A: 