Lemma
MediumDigits
AQuA-RAT train #54509 · Number Theory · Digits

How many different 4-digit numbers can be written using the digits 1…

How many different 4-digit numbers can be written using the digits 1 to 8 without repetition such that the number always contains the digit 2?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #54509

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