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HKIMO 2017 THPT (Grades 10–12 shared) National Final (Heat) Set 04 Question 1

HKIMO · HKIMO 2017 THPT (Grades 10–12 shared) National Final (Heat) Set 04

Question 1

Let $A,B,C$ be nonzero digits. The three-digit number $\overline{ACB}$ is divisible by $9$, and $\overline{BCB}$ is a perfect cube. Find $\overline{AAB}$.