AQuA-RAT train #2231 · Combinatorics · Permutations & combinations

In how many ways can the letters {U, R, U, R, R}…

In how many ways can the letters {U, R, U, R, R} be arranged?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #2231

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