Q: What is 72 minus 42? A: 
Q: What is 62 minus 10? A: 
Q: What is 76 minus 42? A: 
Q: What is 72 minus 40? A: 
Q: What is 82 minus 42? A: 
Q: What is 72 minus 52? A: 
Q: What is 71 minus 42? A: 
Q: What is 72 minus 42? A: 