2010 AMC 10A Problem 9AMC 10 Step by Step
Name: Date: September 13, 2026
Bases & Digits · difficulty 2 of 5 · about 2 min · position P1-10
A palindrome, such as , is a number that remains the same when its digits are reversed. The numbers and are three-digit and four-digit palindromes, respectively. What is the sum of the digits of ?
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