Lemma
MediumAlgebra word problems
AQuA-RAT train #10006 · Algebra · Algebra word problems

If n > 2, then the sum, S, of the integers from…

If n > 2, then the sum, S, of the integers from 1 through n can be calculated by the following formula: S = n(n + 1)/2. Which one of the following statements about S must be true?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #10006

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