AQuA-RAT train #56681 · Combinatorics · Permutations & combinations

In how many ways can 3 hats be formed out of 3…

In how many ways can 3 hats be formed out of 3 blue hats and 10 red hats?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #56681

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