AQuA-RAT train #85836 · Algebra · Algebra word problems

A 4-letter code word consists of letters A, B

A 4-letter code word consists of letters A, B. If the code includes all the three letters, how many such codes are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #85836

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