Lemma
MediumDigits
AQuA-RAT train #32469 · Number Theory · Digits

If n is a positive integer, write s(n) for the sum of…

If n is a positive integer, write s(n) for the sum of the digits of n. What is s(1) + s(2) + s(3) +...+ s(1000)?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #32469

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