Let d(n) represent the sum of the digits of the integer n

Let d(n) represent the sum of the digits of the integer n. For example, d(2016) = 2 + 0 + 1 + 6 = 9: For how many positive 3-digit integers k is it true that d(k) > d(k + 1)?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #77328