AQuA-RAT train #11669 · Combinatorics · Permutations & combinations

In how many ways can a person post 5 letters in 4…

In how many ways can a person post 5 letters in 4 letter boxes ?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #11669

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