SOLUTION: using the digits 1-9 only once each, can you make 100 different true subtraction problems?

SOLUTION: using the digits 1-9 only once each, can you make 100 different true subtraction problems?

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Question 448231: using the digits 1-9 only once each, can you make 100 different true subtraction problems?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
I could, but that'd be too time-consuming. Are you talking about subtraction problems like "9 - 1 = 8" or ones like "957 - 82 - 164"?
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