AQuA-RAT train #4057 · Number Theory · Digits
What is the tens' digit R of the sum of the first…
What is the tens' digit R of the sum of the first 40 terms of 1, 11, 111, 1111, 11111, 111111, ...?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #4057
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