Lemma
MediumDivisibility
AQuA-RAT train #31474 · Number Theory · Divisibility

A symmetric number of an another one is a number where the…

A symmetric number of an another one is a number where the digit are reversed. For instance, 123 is the symmetric of one of 321. Thus the difference of a number and its symmetrical must be divisible by which of the following?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #31474

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