[Math Olympiad] Nov 20th 2001 Division E - Contest 1 Question 2A: 4-Digit Mystery

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A&A Inomatic

Күн бұрын

Level: Elementary & Middle School
📚 Problem Statement:
Time: 5 minutes
Find the 4-digit number A B C D if A B C D x 9 = D C B A
👩‍🏫 Stay tuned for more Math Olympiad problems and solutions, and let us know in the comments what other math challenges you'd like us to cover!

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