Short Answer
Take any three-digit integer, reverse its digits, and subtract. For example, 742 − 247 = 495. The difference is divisible by 9. Prove that this must happen for all three-digit numbers abc.
Correct Answer:
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abc − cba = 100a + 1...View Answer
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Correct Answer:
Verified
abc − cba = 100a + 1...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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