Q: How much is 73 minus 58? A: 
Q: How much is 55 minus 30? A: 
Q: How much is 79 minus 58? A: 
Q: How much is 73 minus 51? A: 
Q: How much is 63 minus 58? A: 
Q: How much is 73 minus 68? A: 
Q: How much is 76 minus 51? A: 
Q: How much is 73 minus 58? A: 